253263064 has 8 divisors (see below), whose sum is σ = 474868260. Its totient is φ = 126631528.

The previous prime is 253263041. The next prime is 253263067. The reversal of 253263064 is 460362352.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253263067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15828934 + ... + 15828949.

Almost surely, 2^253263064 is an apocalyptic number.

It is an amenable number.

253263064 is a deficient number, since it is larger than the sum of its proper divisors (221605196).

253263064 is a wasteful number, since it uses less digits than its factorization.

253263064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31657889 (or 31657885 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 253263064 is about 15914.2409181211. The cubic root of 253263064 is about 632.6894881341.

The spelling of 253263064 in words is "two hundred fifty-three million, two hundred sixty-three thousand, sixty-four".