715521252 has 48 divisors (see below), whose sum is σ = 1686831552. Its totient is φ = 236052480.

The previous prime is 715521223. The next prime is 715521319. The reversal of 715521252 is 252125517.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525052 + ... + 526412.

It is an arithmetic number, because the mean of its divisors is an integer number (35142324).

Almost surely, 2^715521252 is an apocalyptic number.

It is an amenable number.

715521252 is an abundant number, since it is smaller than the sum of its proper divisors (971310300).

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

715521252 is a wasteful number, since it uses less digits than its factorization.

715521252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788 (or 1786 counting only the distinct ones).

The product of its digits is 7000, while the sum is 30.

The square root of 715521252 is about 26749.2289982347. The cubic root of 715521252 is about 894.4186489184.

Adding to 715521252 its reverse (252125517), we get a palindrome (967646769).

The spelling of 715521252 in words is "seven hundred fifteen million, five hundred twenty-one thousand, two hundred fifty-two".