716523 has 4 divisors (see below), whose sum is σ = 955368. Its totient is φ = 477680.

The previous prime is 716501. The next prime is 716531. The reversal of 716523 is 325617.

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 716523 - 2⁵ = 716491 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 716493 and 716502.

It is not an unprimeable number, because it can be changed into a prime (716543) 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, 119418 + ... + 119423.

It is an arithmetic number, because the mean of its divisors is an integer number (238842).

2⁷¹⁶⁵²³ is an apocalyptic number.

716523 is a deficient number, since it is larger than the sum of its proper divisors (238845).

716523 is a wasteful number, since it uses less digits than its factorization.

716523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238844.

The product of its digits is 1260, while the sum is 24.

The square root of 716523 is about 846.4768159849. The cubic root of 716523 is about 89.4835857251.

The spelling of 716523 in words is "seven hundred sixteen thousand, five hundred twenty-three".