716231 has 4 divisors (see below), whose sum is σ = 718872. Its totient is φ = 713592.

The previous prime is 716173. The next prime is 716249. The reversal of 716231 is 132617.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716231 is a prime.

It is a super-2 number, since 2×716231² = 1025973690722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716291) 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, 860 + ... + 1473.

It is an arithmetic number, because the mean of its divisors is an integer number (179718).

2⁷¹⁶²³¹ is an apocalyptic number.

716231 is a deficient number, since it is larger than the sum of its proper divisors (2641).

716231 is a wasteful number, since it uses less digits than its factorization.

716231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640.

The product of its digits is 252, while the sum is 20.

The square root of 716231 is about 846.3043187885. The cubic root of 716231 is about 89.4714285172.

Adding to 716231 its reverse (132617), we get a palindrome (848848).

The spelling of 716231 in words is "seven hundred sixteen thousand, two hundred thirty-one".