715505243 has 2 divisors, whose sum is σ = 715505244. Its totient is φ = 715505242.

The previous prime is 715505239. The next prime is 715505281. The reversal of 715505243 is 342505517.

It is a weak prime.

It is an emirp because it is prime and its reverse (342505517) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 715505243 - 2² = 715505239 is a prime.

It is not a weakly prime, because it can be changed into another prime (715505293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357752621 + 357752622.

It is an arithmetic number, because the mean of its divisors is an integer number (357752622).

Almost surely, 2^715505243 is an apocalyptic number.

715505243 is a deficient number, since it is larger than the sum of its proper divisors (1).

715505243 is an equidigital number, since it uses as much as digits as its factorization.

715505243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 715505243 is about 26748.9297542911. The cubic root of 715505243 is about 894.4119783245.

The spelling of 715505243 in words is "seven hundred fifteen million, five hundred five thousand, two hundred forty-three".