867052431 has 24 divisors (see below), whose sum is σ = 1484339584. Its totient is φ = 495457560.

The previous prime is 867052429. The next prime is 867052453. The reversal of 867052431 is 134250768.

It is not a de Polignac number, because 867052431 - 2¹ = 867052429 is a prime.

It is a super-2 number, since 2×867052431² = 1503559836206019522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867052421) 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, 253165 + ... + 256566.

Almost surely, 2^867052431 is an apocalyptic number.

867052431 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

867052431 is a deficient number, since it is larger than the sum of its proper divisors (617287153).

867052431 is an equidigital number, since it uses as much as digits as its factorization.

867052431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509753 (or 509741 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 867052431 is about 29445.7540402687. The cubic root of 867052431 is about 953.5609407182.

The spelling of 867052431 in words is "eight hundred sixty-seven million, fifty-two thousand, four hundred thirty-one".