712450621 has 2 divisors, whose sum is σ = 712450622. Its totient is φ = 712450620.

The previous prime is 712450591. The next prime is 712450631. The reversal of 712450621 is 126054217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 712142596 + 308025 = 26686^2 + 555^2 .

It is a cyclic number.

It is not a de Polignac number, because 712450621 - 2⁵ = 712450589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 712450621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712450631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356225310 + 356225311.

It is an arithmetic number, because the mean of its divisors is an integer number (356225311).

Almost surely, 2^712450621 is an apocalyptic number.

It is an amenable number.

712450621 is a deficient number, since it is larger than the sum of its proper divisors (1).

712450621 is an equidigital number, since it uses as much as digits as its factorization.

712450621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 712450621 is about 26691.7706606362. The cubic root of 712450621 is about 893.1373602786.

The spelling of 712450621 in words is "seven hundred twelve million, four hundred fifty thousand, six hundred twenty-one".