653322957 has 16 divisors (see below), whose sum is σ = 997852800. Its totient is φ = 372460032.

The previous prime is 653322899. The next prime is 653322959. The reversal of 653322957 is 759223356.

It is not a de Polignac number, because 653322957 - 2¹⁴ = 653306573 is a prime.

It is a super-2 number, since 2×653322957² = 853661772286447698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653322959) 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, 26832 + ... + 45017.

It is an arithmetic number, because the mean of its divisors is an integer number (62365800).

Almost surely, 2^653322957 is an apocalyptic number.

It is an amenable number.

653322957 is a deficient number, since it is larger than the sum of its proper divisors (344529843).

653322957 is a wasteful number, since it uses less digits than its factorization.

653322957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72292.

The product of its digits is 340200, while the sum is 42.

The square root of 653322957 is about 25560.1830392507. The cubic root of 653322957 is about 867.7127381763.

It can be divided in two parts, 653 and 322957, that added together give a triangular number (323610 = T₈₀₄).

The spelling of 653322957 in words is "six hundred fifty-three million, three hundred twenty-two thousand, nine hundred fifty-seven".