525559252 has 12 divisors (see below), whose sum is σ = 921807936. Its totient is φ = 262185560.

The previous prime is 525559163. The next prime is 525559259. The reversal of 525559252 is 252955525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525559259) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 146524 + ... + 150067.

It is an arithmetic number, because the mean of its divisors is an integer number (76817328).

Almost surely, 2^525559252 is an apocalyptic number.

It is an amenable number.

525559252 is a deficient number, since it is larger than the sum of its proper divisors (396248684).

525559252 is a wasteful number, since it uses less digits than its factorization.

525559252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297038 (or 297036 counting only the distinct ones).

The product of its digits is 225000, while the sum is 40.

The square root of 525559252 is about 22925.0791056432. The cubic root of 525559252 is about 807.0006699941. Note that the first 3 decimals are identical.

The spelling of 525559252 in words is "five hundred twenty-five million, five hundred fifty-nine thousand, two hundred fifty-two".