715450091 has 2 divisors, whose sum is σ = 715450092. Its totient is φ = 715450090.

The previous prime is 715450069. The next prime is 715450129. The reversal of 715450091 is 190054517.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 715450091 - 2¹⁴ = 715433707 is a prime.

It is not a weakly prime, because it can be changed into another prime (715450061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357725045 + 357725046.

It is an arithmetic number, because the mean of its divisors is an integer number (357725046).

Almost surely, 2^715450091 is an apocalyptic number.

715450091 is a deficient number, since it is larger than the sum of its proper divisors (1).

715450091 is an equidigital number, since it uses as much as digits as its factorization.

715450091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 715450091 is about 26747.8988146733. The cubic root of 715450091 is about 894.3889969523.

The spelling of 715450091 in words is "seven hundred fifteen million, four hundred fifty thousand, ninety-one".