715951 has 4 divisors (see below), whose sum is σ = 731232. Its totient is φ = 700672.

The previous prime is 715943. The next prime is 715961. The reversal of 715951 is 159517.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 159517 = 269 ⋅593.

It is a cyclic number.

It is not a de Polignac number, because 715951 - 2³ = 715943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715961) 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 in 3 ways as a sum of consecutive naturals, for example, 7570 + ... + 7663.

It is an arithmetic number, because the mean of its divisors is an integer number (182808).

2⁷¹⁵⁹⁵¹ is an apocalyptic number.

715951 is a deficient number, since it is larger than the sum of its proper divisors (15281).

715951 is a wasteful number, since it uses less digits than its factorization.

715951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15280.

The product of its digits is 1575, while the sum is 28.

The square root of 715951 is about 846.1388774900. The cubic root of 715951 is about 89.4597678168.

The spelling of 715951 in words is "seven hundred fifteen thousand, nine hundred fifty-one".