712315651 has 4 divisors (see below), whose sum is σ = 712435752. Its totient is φ = 712195552.

The previous prime is 712315649. The next prime is 712315679. The reversal of 712315651 is 156513217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156513217 = 7 ⋅22359031.

It is a cyclic number.

It is not a de Polignac number, because 712315651 - 2¹ = 712315649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712315151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50665 + ... + 63178.

It is an arithmetic number, because the mean of its divisors is an integer number (178108938).

Almost surely, 2^712315651 is an apocalyptic number.

712315651 is a deficient number, since it is larger than the sum of its proper divisors (120101).

712315651 is a wasteful number, since it uses less digits than its factorization.

712315651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120100.

The product of its digits is 6300, while the sum is 31.

The square root of 712315651 is about 26689.2422335292. The cubic root of 712315651 is about 893.0809566678.

Adding to 712315651 its reverse (156513217), we get a palindrome (868828868).

The spelling of 712315651 in words is "seven hundred twelve million, three hundred fifteen thousand, six hundred fifty-one".