653241256 has 8 divisors (see below), whose sum is σ = 1224827370. Its totient is φ = 326620624.

The previous prime is 653241227. The next prime is 653241257. The reversal of 653241256 is 652142356.

It can be written as a sum of positive squares in only one way, i.e., 539818756 + 113422500 = 23234^2 + 10650^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (653241257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40827571 + ... + 40827586.

Almost surely, 2^653241256 is an apocalyptic number.

It is an amenable number.

653241256 is a deficient number, since it is larger than the sum of its proper divisors (571586114).

653241256 is a wasteful number, since it uses less digits than its factorization.

653241256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81655163 (or 81655159 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 653241256 is about 25558.5847808520. The cubic root of 653241256 is about 867.6765661969.

The spelling of 653241256 in words is "six hundred fifty-three million, two hundred forty-one thousand, two hundred fifty-six".