253479498 has 64 divisors (see below), whose sum is σ = 537698304. Its totient is φ = 79560000.

The previous prime is 253479493. The next prime is 253479509. The reversal of 253479498 is 894974352.

It is a self number, because there is not a number n which added to its sum of digits gives 253479498.

It is not an unprimeable number, because it can be changed into a prime (253479493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1934893 + ... + 1935023.

It is an arithmetic number, because the mean of its divisors is an integer number (8401536).

Almost surely, 2^253479498 is an apocalyptic number.

253479498 is an abundant number, since it is smaller than the sum of its proper divisors (284218806).

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

253479498 is a wasteful number, since it uses less digits than its factorization.

253479498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371.

The product of its digits is 2177280, while the sum is 51.

The square root of 253479498 is about 15921.0394761146. The cubic root of 253479498 is about 632.8696651215.

The spelling of 253479498 in words is "two hundred fifty-three million, four hundred seventy-nine thousand, four hundred ninety-eight".