712530631 has 2 divisors, whose sum is σ = 712530632. Its totient is φ = 712530630.

The previous prime is 712530617. The next prime is 712530649. The reversal of 712530631 is 136035217.

It is a weak prime.

It is an emirp because it is prime and its reverse (136035217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 712530631 - 2¹⁹ = 712006343 is a prime.

It is a super-2 number, since 2×712530631² = 1015399800226516322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 712530631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712530601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356265315 + 356265316.

It is an arithmetic number, because the mean of its divisors is an integer number (356265316).

Almost surely, 2^712530631 is an apocalyptic number.

712530631 is a deficient number, since it is larger than the sum of its proper divisors (1).

712530631 is an equidigital number, since it uses as much as digits as its factorization.

712530631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 712530631 is about 26693.2693951116. The cubic root of 712530631 is about 893.1707928858.

Adding to 712530631 its reverse (136035217), we get a palindrome (848565848).

The spelling of 712530631 in words is "seven hundred twelve million, five hundred thirty thousand, six hundred thirty-one".