715401457 has 2 divisors, whose sum is σ = 715401458. Its totient is φ = 715401456.

The previous prime is 715401443. The next prime is 715401517. The reversal of 715401457 is 754104517.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 704583936 + 10817521 = 26544^2 + 3289^2 .

It is a cyclic number.

It is not a de Polignac number, because 715401457 - 2¹⁹ = 714877169 is a prime.

It is not a weakly prime, because it can be changed into another prime (715404457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357700728 + 357700729.

It is an arithmetic number, because the mean of its divisors is an integer number (357700729).

Almost surely, 2^715401457 is an apocalyptic number.

It is an amenable number.

715401457 is a deficient number, since it is larger than the sum of its proper divisors (1).

715401457 is an equidigital number, since it uses as much as digits as its factorization.

715401457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 715401457 is about 26746.9896810837. The cubic root of 715401457 is about 894.3687305957.

The spelling of 715401457 in words is "seven hundred fifteen million, four hundred one thousand, four hundred fifty-seven".