525528730 has 16 divisors (see below), whose sum is σ = 946227744. Its totient is φ = 210150160.

The previous prime is 525528727. The next prime is 525528767. The reversal of 525528730 is 37825525.

It is a self number, because there is not a number n which added to its sum of digits gives 525528730.

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, 46629 + ... + 56791.

It is an arithmetic number, because the mean of its divisors is an integer number (59139234).

Almost surely, 2^525528730 is an apocalyptic number.

525528730 is a deficient number, since it is larger than the sum of its proper divisors (420699014).

525528730 is a wasteful number, since it uses less digits than its factorization.

525528730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15341.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 525528730 is about 22924.4134057995. The cubic root of 525528730 is about 806.9850474287.

The spelling of 525528730 in words is "five hundred twenty-five million, five hundred twenty-eight thousand, seven hundred thirty".