715291 has 4 divisors (see below), whose sum is σ = 717784. Its totient is φ = 712800.

The previous prime is 715289. The next prime is 715301. The reversal of 715291 is 192517.

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 715291 - 2¹ = 715289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (715991) 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 in 3 ways as a sum of consecutive naturals, for example, 750 + ... + 1411.

It is an arithmetic number, because the mean of its divisors is an integer number (179446).

2⁷¹⁵²⁹¹ is an apocalyptic number.

715291 is a deficient number, since it is larger than the sum of its proper divisors (2493).

715291 is a wasteful number, since it uses less digits than its factorization.

715291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492.

The product of its digits is 630, while the sum is 25.

The square root of 715291 is about 845.7487806672. The cubic root of 715291 is about 89.4322698460.

The spelling of 715291 in words is "seven hundred fifteen thousand, two hundred ninety-one".