253470024531 has 24 divisors (see below), whose sum is σ = 387846098640. Its totient is φ = 158963682816.

The previous prime is 253470024487. The next prime is 253470024547. The reversal of 253470024531 is 135420074352.

253470024531 is a `hidden beast` number, since 2 + 5 + 34 + 70 + 0 + 24 + 531 = 666.

It is not a de Polignac number, because 253470024531 - 2⁷ = 253470024403 is a prime.

It is a super-2 number, since 2×253470024531² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253470026531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76905 + ... + 716138.

It is an arithmetic number, because the mean of its divisors is an integer number (16160254110).

Almost surely, 2^253470024531 is an apocalyptic number.

253470024531 is a deficient number, since it is larger than the sum of its proper divisors (134376074109).

253470024531 is a wasteful number, since it uses less digits than its factorization.

253470024531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795155 (or 795152 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

Adding to 253470024531 its reverse (135420074352), we get a palindrome (388890098883).

The spelling of 253470024531 in words is "two hundred fifty-three billion, four hundred seventy million, twenty-four thousand, five hundred thirty-one".