652635625 has 10 divisors (see below), whose sum is σ = 815534258. Its totient is φ = 522108000.

The previous prime is 652635623. The next prime is 652635629. The reversal of 652635625 is 526536256.

It can be written as a sum of positive squares in 5 ways, for example, as 221533456 + 431102169 = 14884^2 + 20763^2 .

It is not a de Polignac number, because 652635625 - 2¹ = 652635623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652635623) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 521484 + ... + 522733.

Almost surely, 2^652635625 is an apocalyptic number.

It is an amenable number.

652635625 is a deficient number, since it is larger than the sum of its proper divisors (162898633).

652635625 is an equidigital number, since it uses as much as digits as its factorization.

652635625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044237 (or 1044222 counting only the distinct ones).

The product of its digits is 324000, while the sum is 40.

The square root of 652635625 is about 25546.7341356973. The cubic root of 652635625 is about 867.4083374208.

The spelling of 652635625 in words is "six hundred fifty-two million, six hundred thirty-five thousand, six hundred twenty-five".