652431625 has 8 divisors (see below), whose sum is σ = 814234824. Its totient is φ = 521945200.

The previous prime is 652431607. The next prime is 652431641. The reversal of 652431625 is 526134256.

It can be written as a sum of positive squares in 4 ways, for example, as 9504889 + 642926736 = 3083^2 + 25356^2 .

It is not a de Polignac number, because 652431625 - 2⁷ = 652431497 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2609602 + ... + 2609851.

It is an arithmetic number, because the mean of its divisors is an integer number (101779353).

Almost surely, 2^652431625 is an apocalyptic number.

It is an amenable number.

652431625 is a deficient number, since it is larger than the sum of its proper divisors (161803199).

652431625 is an equidigital number, since it uses as much as digits as its factorization.

652431625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5219468 (or 5219458 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 652431625 is about 25542.7411410757. The cubic root of 652431625 is about 867.3179502102.

The spelling of 652431625 in words is "six hundred fifty-two million, four hundred thirty-one thousand, six hundred twenty-five".