715026649 has 2 divisors, whose sum is σ = 715026650. Its totient is φ = 715026648.

The previous prime is 715026629. The next prime is 715026659. The reversal of 715026649 is 946620517.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 505935049 + 209091600 = 22493^2 + 14460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-715026649 is a prime.

It is a super-2 number, since 2×715026649² = 1022526217560338402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (715026629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357513324 + 357513325.

It is an arithmetic number, because the mean of its divisors is an integer number (357513325).

Almost surely, 2^715026649 is an apocalyptic number.

It is an amenable number.

715026649 is a deficient number, since it is larger than the sum of its proper divisors (1).

715026649 is an equidigital number, since it uses as much as digits as its factorization.

715026649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 715026649 is about 26739.9822176455. The cubic root of 715026649 is about 894.2125128942.

The spelling of 715026649 in words is "seven hundred fifteen million, twenty-six thousand, six hundred forty-nine".