716011521 has 16 divisors (see below), whose sum is σ = 968957184. Its totient is φ = 470219904.

The previous prime is 716011519. The next prime is 716011529. The reversal of 716011521 is 125110617.

It is not a de Polignac number, because 716011521 - 2¹ = 716011519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 716011491 and 716011500.

It is not an unprimeable number, because it can be changed into a prime (716011529) 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 15 ways as a sum of consecutive naturals, for example, 243160 + ... + 246086.

It is an arithmetic number, because the mean of its divisors is an integer number (60559824).

Almost surely, 2^716011521 is an apocalyptic number.

It is an amenable number.

716011521 is a deficient number, since it is larger than the sum of its proper divisors (252945663).

716011521 is a wasteful number, since it uses less digits than its factorization.

716011521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120.

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 716011521 is about 26758.3915996459. The cubic root of 716011521 is about 894.6228849305.

It can be divided in two parts, 7160 and 11521, that added together give a palindrome (18681).

The spelling of 716011521 in words is "seven hundred sixteen million, eleven thousand, five hundred twenty-one".