515410452 has 60 divisors (see below), whose sum is σ = 1355064480. Its totient is φ = 170824464.

The previous prime is 515410429. The next prime is 515410459. The reversal of 515410452 is 254014515.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515410459) 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 19 ways as a sum of consecutive naturals, for example, 53553 + ... + 62439.

It is an arithmetic number, because the mean of its divisors is an integer number (22584408).

Almost surely, 2^515410452 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 515410452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677532240).

515410452 is an abundant number, since it is smaller than the sum of its proper divisors (839654028).

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

515410452 is a wasteful number, since it uses less digits than its factorization.

515410452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9082 (or 9071 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 515410452 is about 22702.6529727255. The cubic root of 515410452 is about 801.7723476634.

Adding to 515410452 its reverse (254014515), we get a palindrome (769424967).

The spelling of 515410452 in words is "five hundred fifteen million, four hundred ten thousand, four hundred fifty-two".