715320591 has 4 divisors (see below), whose sum is σ = 953760792. Its totient is φ = 476880392.

The previous prime is 715320553. The next prime is 715320637. The reversal of 715320591 is 195023517.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 715320591 - 2¹⁸ = 715058447 is a prime.

It is a super-3 number, since 3×715320591³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715320511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119220096 + ... + 119220101.

It is an arithmetic number, because the mean of its divisors is an integer number (238440198).

Almost surely, 2^715320591 is an apocalyptic number.

715320591 is a deficient number, since it is larger than the sum of its proper divisors (238440201).

715320591 is a wasteful number, since it uses less digits than its factorization.

715320591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238440200.

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 715320591 is about 26745.4779542262. The cubic root of 715320591 is about 894.3350307542.

The spelling of 715320591 in words is "seven hundred fifteen million, three hundred twenty thousand, five hundred ninety-one".