253353531375 has 96 divisors (see below), whose sum is σ = 541288710144. Its totient is φ = 115818660000.

The previous prime is 253353531373. The next prime is 253353531427. The reversal of 253353531375 is 573135353352.

253353531375 is a `hidden beast` number, since 2 + 5 + 33 + 53 + 531 + 37 + 5 = 666.

It is not a de Polignac number, because 253353531375 - 2¹ = 253353531373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 253353531375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253353531371) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 383151 + ... + 808400.

It is an arithmetic number, because the mean of its divisors is an integer number (5638424064).

Almost surely, 2^253353531375 is an apocalyptic number.

253353531375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

253353531375 is an abundant number, since it is smaller than the sum of its proper divisors (287935178769).

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

253353531375 is an equidigital number, since it uses as much as digits as its factorization.

253353531375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191588 (or 1191566 counting only the distinct ones).

The product of its digits is 2126250, while the sum is 45.

The spelling of 253353531375 in words is "two hundred fifty-three billion, three hundred fifty-three million, five hundred thirty-one thousand, three hundred seventy-five".