525430992 has 20 divisors (see below), whose sum is σ = 1357363520. Its totient is φ = 175143648.

The previous prime is 525430973. The next prime is 525430993. The reversal of 525430992 is 299034525.

It is a self number, because there is not a number n which added to its sum of digits gives 525430992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525430993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5473192 + ... + 5473287.

It is an arithmetic number, because the mean of its divisors is an integer number (67868176).

Almost surely, 2^525430992 is an apocalyptic number.

It is an amenable number.

525430992 is an abundant number, since it is smaller than the sum of its proper divisors (831932528).

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

525430992 is a wasteful number, since it uses less digits than its factorization.

525430992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10946490 (or 10946484 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 525430992 is about 22922.2815618341. The cubic root of 525430992 is about 806.9350165486.

The spelling of 525430992 in words is "five hundred twenty-five million, four hundred thirty thousand, nine hundred ninety-two".