716281957 has 2 divisors, whose sum is σ = 716281958. Its totient is φ = 716281956.

The previous prime is 716281919. The next prime is 716282011. The reversal of 716281957 is 759182617.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 449482401 + 266799556 = 21201^2 + 16334^2 .

It is a cyclic number.

It is not a de Polignac number, because 716281957 - 2⁷ = 716281829 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (714281957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358140978 + 358140979.

It is an arithmetic number, because the mean of its divisors is an integer number (358140979).

Almost surely, 2^716281957 is an apocalyptic number.

It is an amenable number.

716281957 is a deficient number, since it is larger than the sum of its proper divisors (1).

716281957 is an equidigital number, since it uses as much as digits as its factorization.

716281957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 46.

The square root of 716281957 is about 26763.4444158445. Note that the first 4 decimals coincide. The cubic root of 716281957 is about 894.7355031281.

The spelling of 716281957 in words is "seven hundred sixteen million, two hundred eighty-one thousand, nine hundred fifty-seven".