564981625 has 64 divisors (see below), whose sum is σ = 828172800. Its totient is φ = 381024000.

The previous prime is 564981611. The next prime is 564981649. The reversal of 564981625 is 526189465.

It is not a de Polignac number, because 564981625 - 2¹³ = 564973433 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 895060 + ... + 895690.

It is an arithmetic number, because the mean of its divisors is an integer number (12940200).

Almost surely, 2^564981625 is an apocalyptic number.

It is an amenable number.

564981625 is a deficient number, since it is larger than the sum of its proper divisors (263191175).

564981625 is a wasteful number, since it uses less digits than its factorization.

564981625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 697 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The square root of 564981625 is about 23769.3421238367. The cubic root of 564981625 is about 826.6939788027.

It can be divided in two parts, 5649816 and 25, that added together give a triangular number (5649841 = T₃₃₆₁).

The spelling of 564981625 in words is "five hundred sixty-four million, nine hundred eighty-one thousand, six hundred twenty-five".