253464651 has 24 divisors (see below), whose sum is σ = 403369200. Its totient is φ = 152088000.

The previous prime is 253464647. The next prime is 253464671. The reversal of 253464651 is 156464352.

253464651 is a `hidden beast` number, since 2 + 5 + 3 + 4 + 646 + 5 + 1 = 666.

253464651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253464651 - 2² = 253464647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253464671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2676 + ... + 22673.

It is an arithmetic number, because the mean of its divisors is an integer number (16807050).

Almost surely, 2^253464651 is an apocalyptic number.

253464651 is a deficient number, since it is larger than the sum of its proper divisors (149904549).

253464651 is a wasteful number, since it uses less digits than its factorization.

253464651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25467 (or 25464 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 253464651 is about 15920.5731994800. The cubic root of 253464651 is about 632.8573085674.

The spelling of 253464651 in words is "two hundred fifty-three million, four hundred sixty-four thousand, six hundred fifty-one".