253488531 has 16 divisors (see below), whose sum is σ = 350051328. Its totient is φ = 163060800.

The previous prime is 253488503. The next prime is 253488533. The reversal of 253488531 is 135884352.

It is not a de Polignac number, because 253488531 - 2⁶ = 253488467 is a prime.

It is a super-2 number, since 2×253488531² = 128512870697075922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253488531.

It is not an unprimeable number, because it can be changed into a prime (253488533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2650 + ... + 22671.

It is an arithmetic number, because the mean of its divisors is an integer number (21878208).

Almost surely, 2^253488531 is an apocalyptic number.

253488531 is a deficient number, since it is larger than the sum of its proper divisors (96562797).

253488531 is a wasteful number, since it uses less digits than its factorization.

253488531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25442.

The product of its digits is 115200, while the sum is 39.

The square root of 253488531 is about 15921.3231548135. The cubic root of 253488531 is about 632.8771826838.

The spelling of 253488531 in words is "two hundred fifty-three million, four hundred eighty-eight thousand, five hundred thirty-one".