653264 has 10 divisors (see below), whose sum is σ = 1265730. Its totient is φ = 326624.

The previous prime is 653243. The next prime is 653267. The reversal of 653264 is 462356.

It can be written as a sum of positive squares in only one way, i.e., 652864 + 400 = 808^2 + 20^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20399 + ... + 20430.

It is an arithmetic number, because the mean of its divisors is an integer number (126573).

2⁶⁵³²⁶⁴ is an apocalyptic number.

It is an amenable number.

653264 is a deficient number, since it is larger than the sum of its proper divisors (612466).

653264 is a wasteful number, since it uses less digits than its factorization.

653264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40837 (or 40831 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 653264 is about 808.2474868504. The cubic root of 653264 is about 86.7686636089.

The spelling of 653264 in words is "six hundred fifty-three thousand, two hundred sixty-four".