712172531 has 8 divisors (see below), whose sum is σ = 814080000. Its totient is φ = 610307208.

The previous prime is 712172521. The next prime is 712172561. The reversal of 712172531 is 135271217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 712172531 - 2¹⁰ = 712171507 is a prime.

It is a super-2 number, since 2×712172531² = 1014379427821891922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 712172494 and 712172503.

It is not an unprimeable number, because it can be changed into a prime (712172521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45710 + ... + 59276.

It is an arithmetic number, because the mean of its divisors is an integer number (101760000).

Almost surely, 2^712172531 is an apocalyptic number.

712172531 is a deficient number, since it is larger than the sum of its proper divisors (101907469).

712172531 is a wasteful number, since it uses less digits than its factorization.

712172531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21073.

The product of its digits is 2940, while the sum is 29.

The square root of 712172531 is about 26686.5608687219. The cubic root of 712172531 is about 893.0211394095.

The spelling of 712172531 in words is "seven hundred twelve million, one hundred seventy-two thousand, five hundred thirty-one".