715142947 has 2 divisors, whose sum is σ = 715142948. Its totient is φ = 715142946.

The previous prime is 715142873. The next prime is 715142959. The reversal of 715142947 is 749241517.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-715142947 is a prime.

It is a super-2 number, since 2×715142947² = 1022858869287689618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (715142047) 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, 357571473 + 357571474.

It is an arithmetic number, because the mean of its divisors is an integer number (357571474).

Almost surely, 2^715142947 is an apocalyptic number.

715142947 is a deficient number, since it is larger than the sum of its proper divisors (1).

715142947 is an equidigital number, since it uses as much as digits as its factorization.

715142947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 40.

The square root of 715142947 is about 26742.1567380045. The cubic root of 715142947 is about 894.2609910357.

The spelling of 715142947 in words is "seven hundred fifteen million, one hundred forty-two thousand, nine hundred forty-seven".