525403432 has 16 divisors (see below), whose sum is σ = 986361300. Its totient is φ = 262373760.

The previous prime is 525403429. The next prime is 525403517. The reversal of 525403432 is 234304525.

It can be written as a sum of positive squares in 2 ways, for example, as 484264036 + 41139396 = 22006^2 + 6414^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 525403432.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34119 + ... + 47062.

Almost surely, 2^525403432 is an apocalyptic number.

It is an amenable number.

525403432 is a deficient number, since it is larger than the sum of its proper divisors (460957868).

525403432 is a wasteful number, since it uses less digits than its factorization.

525403432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81996 (or 81992 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 525403432 is about 22921.6803921528. The cubic root of 525403432 is about 806.9209078022.

Adding to 525403432 its reverse (234304525), we get a palindrome (759707957).

The spelling of 525403432 in words is "five hundred twenty-five million, four hundred three thousand, four hundred thirty-two".