253531104 has 96 divisors (see below), whose sum is σ = 689816736. Its totient is φ = 81469440.

The previous prime is 253531097. The next prime is 253531111. The reversal of 253531104 is 401135352.

253531104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (253531097) and next prime (253531111).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486364 + ... + 486884.

It is an arithmetic number, because the mean of its divisors is an integer number (7185591).

Almost surely, 2^253531104 is an apocalyptic number.

253531104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253531104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344908368).

253531104 is an abundant number, since it is smaller than the sum of its proper divisors (436285632).

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

253531104 is a wasteful number, since it uses less digits than its factorization.

253531104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 253531104 is about 15922.6600792707. The cubic root of 253531104 is about 632.9126109429.

Adding to 253531104 its reverse (401135352), we get a palindrome (654666456).

The spelling of 253531104 in words is "two hundred fifty-three million, five hundred thirty-one thousand, one hundred four".