712115651 has 4 divisors (see below), whose sum is σ = 766893792. Its totient is φ = 657337512.

The previous prime is 712115633. The next prime is 712115683. The reversal of 712115651 is 156511217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156511217 = 89 ⋅1758553.

It is not a de Polignac number, because 712115651 - 2²⁶ = 645006787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712115951) 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, 27389051 + ... + 27389076.

It is an arithmetic number, because the mean of its divisors is an integer number (191723448).

Almost surely, 2^712115651 is an apocalyptic number.

712115651 is a deficient number, since it is larger than the sum of its proper divisors (54778141).

712115651 is a wasteful number, since it uses less digits than its factorization.

712115651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54778140.

The product of its digits is 2100, while the sum is 29.

The square root of 712115651 is about 26685.4951424927. The cubic root of 712115651 is about 892.9973640870.

Adding to 712115651 its reverse (156511217), we get a palindrome (868626868).

The spelling of 712115651 in words is "seven hundred twelve million, one hundred fifteen thousand, six hundred fifty-one".