525551532 has 48 divisors (see below), whose sum is σ = 1416465792. Its totient is φ = 149889280.

The previous prime is 525551531. The next prime is 525551557. The reversal of 525551532 is 235155525.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 525551493 and 525551502.

It is not an unprimeable number, because it can be changed into a prime (525551531) 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 15 ways as a sum of consecutive naturals, for example, 114858 + ... + 119345.

It is an arithmetic number, because the mean of its divisors is an integer number (29509704).

Almost surely, 2^525551532 is an apocalyptic number.

It is an amenable number.

525551532 is an abundant number, since it is smaller than the sum of its proper divisors (890914260).

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

525551532 is a wasteful number, since it uses less digits than its factorization.

525551532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234238 (or 234236 counting only the distinct ones).

The product of its digits is 37500, while the sum is 33.

The square root of 525551532 is about 22924.9107304696. The cubic root of 525551532 is about 806.9967185997.

The spelling of 525551532 in words is "five hundred twenty-five million, five hundred fifty-one thousand, five hundred thirty-two".