525630816 has 48 divisors (see below), whose sum is σ = 1533092400. Its totient is φ = 175209984.

The previous prime is 525630797. The next prime is 525630851. The reversal of 525630816 is 618036525.

525630816 is a `hidden beast` number, since 5 + 2 + 5 + 630 + 8 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 303321 + ... + 305048.

It is an arithmetic number, because the mean of its divisors is an integer number (31939425).

Almost surely, 2^525630816 is an apocalyptic number.

It is an amenable number.

525630816 is an abundant number, since it is smaller than the sum of its proper divisors (1007461584).

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

525630816 is a wasteful number, since it uses less digits than its factorization.

525630816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608388 (or 608374 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 525630816 is about 22926.6398759173. The cubic root of 525630816 is about 807.0372973738.

The spelling of 525630816 in words is "five hundred twenty-five million, six hundred thirty thousand, eight hundred sixteen".