653957229 has 16 divisors (see below), whose sum is σ = 910462464. Its totient is φ = 416737200.

The previous prime is 653957209. The next prime is 653957231. The reversal of 653957229 is 922759356.

It is not a de Polignac number, because 653957229 - 2⁸ = 653956973 is a prime.

It is a super-2 number, since 2×653957229² = 855320114722716882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653957209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164394 + ... + 168324.

It is an arithmetic number, because the mean of its divisors is an integer number (56903904).

Almost surely, 2^653957229 is an apocalyptic number.

653957229 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

653957229 is a deficient number, since it is larger than the sum of its proper divisors (256505235).

653957229 is a wasteful number, since it uses less digits than its factorization.

653957229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368.

The product of its digits is 1020600, while the sum is 48.

The square root of 653957229 is about 25572.5874521918. The cubic root of 653957229 is about 867.9934507388.

The spelling of 653957229 in words is "six hundred fifty-three million, nine hundred fifty-seven thousand, two hundred twenty-nine".