525525632 has 16 divisors (see below), whose sum is σ = 1046945850. Its totient is φ = 262762752.

The previous prime is 525525631. The next prime is 525525653. The reversal of 525525632 is 236525525.

It can be written as a sum of positive squares in only one way, i.e., 500685376 + 24840256 = 22376^2 + 4984^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 525525592 and 525525601.

It is not an unprimeable number, because it can be changed into a prime (525525631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2052707 + ... + 2052962.

Almost surely, 2^525525632 is an apocalyptic number.

It is an amenable number.

525525632 is a deficient number, since it is larger than the sum of its proper divisors (521420218).

525525632 is an equidigital number, since it uses as much as digits as its factorization.

525525632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105683 (or 4105671 counting only the distinct ones).

The product of its digits is 90000, while the sum is 35.

The square root of 525525632 is about 22924.3458358139. The cubic root of 525525632 is about 806.9834616958.

The spelling of 525525632 in words is "five hundred twenty-five million, five hundred twenty-five thousand, six hundred thirty-two".