712270813 has 2 divisors, whose sum is σ = 712270814. Its totient is φ = 712270812.

The previous prime is 712270807. The next prime is 712270847. The reversal of 712270813 is 318072217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420988324 + 291282489 = 20518^2 + 17067^2 .

It is a cyclic number.

It is not a de Polignac number, because 712270813 - 2²¹ = 710173661 is a prime.

It is a super-2 number, since 2×712270813² = 1014659422103361938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712270513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356135406 + 356135407.

It is an arithmetic number, because the mean of its divisors is an integer number (356135407).

Almost surely, 2^712270813 is an apocalyptic number.

It is an amenable number.

712270813 is a deficient number, since it is larger than the sum of its proper divisors (1).

712270813 is an equidigital number, since it uses as much as digits as its factorization.

712270813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 712270813 is about 26688.4022189415. The cubic root of 712270813 is about 893.0622174080.

The spelling of 712270813 in words is "seven hundred twelve million, two hundred seventy thousand, eight hundred thirteen".