525135040 has 56 divisors (see below), whose sum is σ = 1290840192. Its totient is φ = 203274240.

The previous prime is 525135019. The next prime is 525135073. The reversal of 525135040 is 40531525.

It is a junction number, because it is equal to n+sod(n) for n = 525134996 and 525135014.

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, 16549 + ... + 36388.

Almost surely, 2^525135040 is an apocalyptic number.

It is an amenable number.

525135040 is an abundant number, since it is smaller than the sum of its proper divisors (765705152).

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

525135040 is a wasteful number, since it uses less digits than its factorization.

525135040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52985 (or 52975 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 525135040 is about 22915.8250996991. The cubic root of 525135040 is about 806.7834845127.

Adding to 525135040 its reverse (40531525), we get a palindrome (565666565).

The spelling of 525135040 in words is "five hundred twenty-five million, one hundred thirty-five thousand, forty".