715158641 has 2 divisors, whose sum is σ = 715158642. Its totient is φ = 715158640.

The previous prime is 715158637. The next prime is 715158643. The reversal of 715158641 is 146851517.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459030625 + 256128016 = 21425^2 + 16004^2 .

It is a cyclic number.

It is not a de Polignac number, because 715158641 - 2² = 715158637 is a prime.

It is a super-2 number, since 2×715158641² = 1022903763593933762, which contains 22 as substring.

Together with 715158643, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 715158595 and 715158604.

It is not a weakly prime, because it can be changed into another prime (715158643) 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, 357579320 + 357579321.

It is an arithmetic number, because the mean of its divisors is an integer number (357579321).

Almost surely, 2^715158641 is an apocalyptic number.

It is an amenable number.

715158641 is a deficient number, since it is larger than the sum of its proper divisors (1).

715158641 is an equidigital number, since it uses as much as digits as its factorization.

715158641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 38.

The square root of 715158641 is about 26742.4501682250. The cubic root of 715158641 is about 894.2675325854.

The spelling of 715158641 in words is "seven hundred fifteen million, one hundred fifty-eight thousand, six hundred forty-one".