525557132 has 12 divisors (see below), whose sum is σ = 935313960. Its totient is φ = 258324576.

The previous prime is 525557129. The next prime is 525557173. The reversal of 525557132 is 231755525.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 525557092 and 525557101.

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 3 ways as a sum of consecutive naturals, for example, 1113233 + ... + 1113704.

It is an arithmetic number, because the mean of its divisors is an integer number (77942830).

Almost surely, 2^525557132 is an apocalyptic number.

It is an amenable number.

525557132 is a deficient number, since it is larger than the sum of its proper divisors (409756828).

525557132 is a wasteful number, since it uses less digits than its factorization.

525557132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227000 (or 2226998 counting only the distinct ones).

The product of its digits is 52500, while the sum is 35.

The square root of 525557132 is about 22925.0328680244. The cubic root of 525557132 is about 806.9995849000. Note that the first 3 decimals are identical.

The spelling of 525557132 in words is "five hundred twenty-five million, five hundred fifty-seven thousand, one hundred thirty-two".