253229256 has 72 divisors (see below), whose sum is σ = 797812470. Its totient is φ = 72350208.

The previous prime is 253229219. The next prime is 253229261. The reversal of 253229256 is 652922352.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 197964900 + 55264356 = 14070^2 + 7434^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 253229256.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32361 + ... + 39416.

Almost surely, 2^253229256 is an apocalyptic number.

It is an amenable number.

253229256 is an abundant number, since it is smaller than the sum of its proper divisors (544583214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253229256 is a wasteful number, since it uses less digits than its factorization.

253229256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71803 (or 71789 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 253229256 is about 15913.1786893757. The cubic root of 253229256 is about 632.6613343800.

The spelling of 253229256 in words is "two hundred fifty-three million, two hundred twenty-nine thousand, two hundred fifty-six".