253231352404 has 24 divisors (see below), whose sum is σ = 467255062400. Its totient is φ = 119752084800.

The previous prime is 253231352383. The next prime is 253231352431. The reversal of 253231352404 is 404253132352.

It is a super-2 number, since 2×253231352404² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253231352404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2726364 + ... + 2817715.

Almost surely, 2^253231352404 is an apocalyptic number.

It is an amenable number.

253231352404 is a deficient number, since it is larger than the sum of its proper divisors (214023709996).

253231352404 is a wasteful number, since it uses less digits than its factorization.

253231352404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5544703 (or 5544701 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 253231352404 its reverse (404253132352), we get a palindrome (657484484756).

The spelling of 253231352404 in words is "two hundred fifty-three billion, two hundred thirty-one million, three hundred fifty-two thousand, four hundred four".