708560981 has 2 divisors, whose sum is σ = 708560982. Its totient is φ = 708560980.

The previous prime is 708560953. The next prime is 708560987. The reversal of 708560981 is 189065807.

It is a happy number.

708560981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 694796881 + 13764100 = 26359^2 + 3710^2 .

It is a cyclic number.

It is not a de Polignac number, because 708560981 - 2⁶ = 708560917 is a prime.

It is a super-2 number, since 2×708560981² = 1004117327591364722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (708560987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354280490 + 354280491.

It is an arithmetic number, because the mean of its divisors is an integer number (354280491).

Almost surely, 2^708560981 is an apocalyptic number.

It is an amenable number.

708560981 is a deficient number, since it is larger than the sum of its proper divisors (1).

708560981 is an equidigital number, since it uses as much as digits as its factorization.

708560981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 708560981 is about 26618.8087825132. The cubic root of 708560981 is about 891.5090256075.

The spelling of 708560981 in words is "seven hundred eight million, five hundred sixty thousand, nine hundred eighty-one".