253540264 has 16 divisors (see below), whose sum is σ = 476188020. Its totient is φ = 126556800.

The previous prime is 253540253. The next prime is 253540267. The reversal of 253540264 is 462045352.

253540264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 253128100 + 412164 = 15910^2 + 642^2 .

It is not an unprimeable number, because it can be changed into a prime (253540267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21559 + ... + 31174.

Almost surely, 2^253540264 is an apocalyptic number.

It is an amenable number.

253540264 is a deficient number, since it is larger than the sum of its proper divisors (222647756).

253540264 is a wasteful number, since it uses less digits than its factorization.

253540264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53340 (or 53336 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 253540264 is about 15922.9477170529. The cubic root of 253540264 is about 632.9202331631.

The spelling of 253540264 in words is "two hundred fifty-three million, five hundred forty thousand, two hundred sixty-four".