525507040 has 96 divisors (see below), whose sum is σ = 1295481600. Its totient is φ = 201216000.

The previous prime is 525507019. The next prime is 525507053. The reversal of 525507040 is 40705525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500436 + ... + 501484.

It is an arithmetic number, because the mean of its divisors is an integer number (13494600).

Almost surely, 2^525507040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525507040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647740800).

525507040 is an abundant number, since it is smaller than the sum of its proper divisors (769974560).

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

525507040 is a wasteful number, since it uses less digits than its factorization.

525507040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 525507040 is about 22923.9403244730. The cubic root of 525507040 is about 806.9739451201.

The spelling of 525507040 in words is "five hundred twenty-five million, five hundred seven thousand, forty".