712267009 has 2 divisors, whose sum is σ = 712267010. Its totient is φ = 712267008.

The previous prime is 712267001. The next prime is 712267033. The reversal of 712267009 is 900762217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 654080625 + 58186384 = 25575^2 + 7628^2 .

It is an emirp because it is prime and its reverse (900762217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 712267009 - 2³ = 712267001 is a prime.

It is not a weakly prime, because it can be changed into another prime (712267001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356133504 + 356133505.

It is an arithmetic number, because the mean of its divisors is an integer number (356133505).

Almost surely, 2^712267009 is an apocalyptic number.

It is an amenable number.

712267009 is a deficient number, since it is larger than the sum of its proper divisors (1).

712267009 is an equidigital number, since it uses as much as digits as its factorization.

712267009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 712267009 is about 26688.3309519348. The cubic root of 712267009 is about 893.0606275564.

The spelling of 712267009 in words is "seven hundred twelve million, two hundred sixty-seven thousand, nine".