525401564 has 6 divisors (see below), whose sum is σ = 919452744. Its totient is φ = 262700780.

The previous prime is 525401557. The next prime is 525401573. The reversal of 525401564 is 465104525.

It is a self number, because there is not a number n which added to its sum of digits gives 525401564.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65675192 + ... + 65675199.

It is an arithmetic number, because the mean of its divisors is an integer number (153242124).

Almost surely, 2^525401564 is an apocalyptic number.

It is an amenable number.

525401564 is a deficient number, since it is larger than the sum of its proper divisors (394051180).

525401564 is a wasteful number, since it uses less digits than its factorization.

525401564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131350395 (or 131350393 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 525401564 is about 22921.6396446677. The cubic root of 525401564 is about 806.9199515021.

The spelling of 525401564 in words is "five hundred twenty-five million, four hundred one thousand, five hundred sixty-four".