525613332 has 24 divisors (see below), whose sum is σ = 1246538272. Its totient is φ = 172332000.

The previous prime is 525613331. The next prime is 525613367. The reversal of 525613332 is 233316525.

It is a super-2 number, since 2×525613332² = 552538749552284448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 525613332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525613331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358294 + ... + 359757.

Almost surely, 2^525613332 is an apocalyptic number.

It is an amenable number.

525613332 is an abundant number, since it is smaller than the sum of its proper divisors (720924940).

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

525613332 is a wasteful number, since it uses less digits than its factorization.

525613332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718119 (or 718117 counting only the distinct ones).

The product of its digits is 16200, while the sum is 30.

The square root of 525613332 is about 22926.2585695966. The cubic root of 525613332 is about 807.0283491436.

Adding to 525613332 its reverse (233316525), we get a palindrome (758929857).

The spelling of 525613332 in words is "five hundred twenty-five million, six hundred thirteen thousand, three hundred thirty-two".