653552253 has 16 divisors (see below), whose sum is σ = 1019185600. Its totient is φ = 412769520.

The previous prime is 653552219. The next prime is 653552257. The reversal of 653552253 is 352255356.

653552253 is a `hidden beast` number, since 6 + 53 + 552 + 2 + 53 = 666.

It is not a de Polignac number, because 653552253 - 2⁶ = 653552189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653552257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636478 + ... + 637503.

It is an arithmetic number, because the mean of its divisors is an integer number (63699100).

Almost surely, 2^653552253 is an apocalyptic number.

It is an amenable number.

653552253 is a deficient number, since it is larger than the sum of its proper divisors (365633347).

653552253 is a wasteful number, since it uses less digits than its factorization.

653552253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274009 (or 1274003 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

The square root of 653552253 is about 25564.6680596483. The cubic root of 653552253 is about 867.8142396802.

The spelling of 653552253 in words is "six hundred fifty-three million, five hundred fifty-two thousand, two hundred fifty-three".