525257252 has 12 divisors (see below), whose sum is σ = 989907996. Its totient is φ = 242426400.

The previous prime is 525257209. The next prime is 525257303. The reversal of 525257252 is 252752525.

It can be written as a sum of positive squares in 2 ways, for example, as 294946276 + 230310976 = 17174^2 + 15176^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050499 + ... + 5050602.

It is an arithmetic number, because the mean of its divisors is an integer number (82492333).

Almost surely, 2^525257252 is an apocalyptic number.

525257252 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

525257252 is a deficient number, since it is larger than the sum of its proper divisors (464650744).

525257252 is a wasteful number, since it uses less digits than its factorization.

525257252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101118 (or 10101116 counting only the distinct ones).

The product of its digits is 70000, while the sum is 35.

The square root of 525257252 is about 22918.4914861341. The cubic root of 525257252 is about 806.8460658603.

The spelling of 525257252 in words is "five hundred twenty-five million, two hundred fifty-seven thousand, two hundred fifty-two".