653279625 has 24 divisors (see below), whose sum is σ = 1177647432. Its totient is φ = 348415200.

The previous prime is 653279611. The next prime is 653279629. The reversal of 653279625 is 526972356.

653279625 is a `hidden beast` number, since 6 + 532 + 7 + 96 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 18844281 + 634435344 = 4341^2 + 25188^2 .

It is not a de Polignac number, because 653279625 - 2¹² = 653275529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (653279629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289222 + ... + 291471.

It is an arithmetic number, because the mean of its divisors is an integer number (49068643).

Almost surely, 2^653279625 is an apocalyptic number.

It is an amenable number.

653279625 is a deficient number, since it is larger than the sum of its proper divisors (524367807).

653279625 is a wasteful number, since it uses less digits than its factorization.

653279625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580714 (or 580701 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 653279625 is about 25559.3353786831. The cubic root of 653279625 is about 867.6935539126.

The spelling of 653279625 in words is "six hundred fifty-three million, two hundred seventy-nine thousand, six hundred twenty-five".