252271472431 has 4 divisors (see below), whose sum is σ = 275205242664. Its totient is φ = 229337702200.

The previous prime is 252271472429. The next prime is 252271472513. The reversal of 252271472431 is 134274172252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252271472431 - 2¹ = 252271472429 is a prime.

It is a super-2 number, since 2×252271472431² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252271472231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11466885100 + ... + 11466885121.

It is an arithmetic number, because the mean of its divisors is an integer number (68801310666).

Almost surely, 2^252271472431 is an apocalyptic number.

252271472431 is a deficient number, since it is larger than the sum of its proper divisors (22933770233).

252271472431 is a wasteful number, since it uses less digits than its factorization.

252271472431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22933770232.

The product of its digits is 188160, while the sum is 40.

The spelling of 252271472431 in words is "two hundred fifty-two billion, two hundred seventy-one million, four hundred seventy-two thousand, four hundred thirty-one".