515115348 has 48 divisors (see below), whose sum is σ = 1317005760. Its totient is φ = 155404800.

The previous prime is 515115343. The next prime is 515115353. The reversal of 515115348 is 843511515.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (515115343) and next prime (515115353).

It is a super-2 number, since 2×515115348² = 530687643490322208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515115343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21708 + ... + 38748.

It is an arithmetic number, because the mean of its divisors is an integer number (27437620).

Almost surely, 2^515115348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 515115348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658502880).

515115348 is an abundant number, since it is smaller than the sum of its proper divisors (801890412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

515115348 is a wasteful number, since it uses less digits than its factorization.

515115348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17288 (or 17286 counting only the distinct ones).

The product of its digits is 12000, while the sum is 33.

The square root of 515115348 is about 22696.1527136209. The cubic root of 515115348 is about 801.6192972175.

The spelling of 515115348 in words is "five hundred fifteen million, one hundred fifteen thousand, three hundred forty-eight".