715651 has 2 divisors, whose sum is σ = 715652. Its totient is φ = 715650.

The previous prime is 715643. The next prime is 715657. The reversal of 715651 is 156517.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 715651 - 2³ = 715643 is a prime.

It is not a weakly prime, because it can be changed into another prime (715657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357825 + 357826.

It is an arithmetic number, because the mean of its divisors is an integer number (357826).

2⁷¹⁵⁶⁵¹ is an apocalyptic number.

715651 is a deficient number, since it is larger than the sum of its proper divisors (1).

715651 is an equidigital number, since it uses as much as digits as its factorization.

715651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1050, while the sum is 25.

The square root of 715651 is about 845.9615830521. The cubic root of 715651 is about 89.4472708350.

The spelling of 715651 in words is "seven hundred fifteen thousand, six hundred fifty-one".