515230152 has 32 divisors (see below), whose sum is σ = 1363845600. Its totient is φ = 161640704.

The previous prime is 515230151. The next prime is 515230159. The reversal of 515230152 is 251032515.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (515230151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631002 + ... + 631817.

It is an arithmetic number, because the mean of its divisors is an integer number (42620175).

Almost surely, 2^515230152 is an apocalyptic number.

It is an amenable number.

515230152 is an abundant number, since it is smaller than the sum of its proper divisors (848615448).

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

515230152 is a wasteful number, since it uses less digits than its factorization.

515230152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262845 (or 1262841 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 515230152 is about 22698.6817238359. The cubic root of 515230152 is about 801.6788452172.

Adding to 515230152 its reverse (251032515), we get a palindrome (766262667).

The spelling of 515230152 in words is "five hundred fifteen million, two hundred thirty thousand, one hundred fifty-two".