708725489 has 2 divisors, whose sum is σ = 708725490. Its totient is φ = 708725488.

The previous prime is 708725453. The next prime is 708725497. The reversal of 708725489 is 984527807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 416486464 + 292239025 = 20408^2 + 17095^2 .

It is a cyclic number.

It is not a de Polignac number, because 708725489 - 2²⁰ = 707676913 is a prime.

It is not a weakly prime, because it can be changed into another prime (708725429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354362744 + 354362745.

It is an arithmetic number, because the mean of its divisors is an integer number (354362745).

Almost surely, 2^708725489 is an apocalyptic number.

It is an amenable number.

708725489 is a deficient number, since it is larger than the sum of its proper divisors (1).

708725489 is an equidigital number, since it uses as much as digits as its factorization.

708725489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The square root of 708725489 is about 26621.8986738362. The cubic root of 708725489 is about 891.5780147381.

The spelling of 708725489 in words is "seven hundred eight million, seven hundred twenty-five thousand, four hundred eighty-nine".