712116651 has 4 divisors (see below), whose sum is σ = 949488872. Its totient is φ = 474744432.

The previous prime is 712116649. The next prime is 712116683. The reversal of 712116651 is 156611217.

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

It is not a de Polignac number, because 712116651 - 2¹ = 712116649 is a prime.

It is a super-2 number, since 2×712116651² = 1014220249262911602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712116641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118686106 + ... + 118686111.

It is an arithmetic number, because the mean of its divisors is an integer number (237372218).

Almost surely, 2^712116651 is an apocalyptic number.

712116651 is a deficient number, since it is larger than the sum of its proper divisors (237372221).

712116651 is a wasteful number, since it uses less digits than its factorization.

712116651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237372220.

The product of its digits is 2520, while the sum is 30.

The square root of 712116651 is about 26685.5138792567. The cubic root of 712116651 is about 892.9977820888.

Adding to 712116651 its reverse (156611217), we get a palindrome (868727868).

It can be divided in two parts, 7121166 and 51, that added together give a palindrome (7121217).

The spelling of 712116651 in words is "seven hundred twelve million, one hundred sixteen thousand, six hundred fifty-one".