525137540 has 24 divisors (see below), whose sum is σ = 1104304320. Its totient is φ = 209766368.

The previous prime is 525137519. The next prime is 525137579. The reversal of 525137540 is 45731525.

525137540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 525137497 and 525137506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2810 + ... + 32529.

It is an arithmetic number, because the mean of its divisors is an integer number (46012680).

Almost surely, 2^525137540 is an apocalyptic number.

It is an amenable number.

525137540 is an abundant number, since it is smaller than the sum of its proper divisors (579166780).

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

525137540 is a wasteful number, since it uses less digits than its factorization.

525137540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36091 (or 36089 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 525137540 is about 22915.8796470919. The cubic root of 525137540 is about 806.7847647900.

The spelling of 525137540 in words is "five hundred twenty-five million, one hundred thirty-seven thousand, five hundred forty".