716525649 has 32 divisors (see below), whose sum is σ = 1255008000. Its totient is φ = 395321472.

The previous prime is 716525633. The next prime is 716525699. The reversal of 716525649 is 946525617.

It is not a de Polignac number, because 716525649 - 2⁴ = 716525633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (716525699) 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 31 ways as a sum of consecutive naturals, for example, 59884 + ... + 70845.

It is an arithmetic number, because the mean of its divisors is an integer number (39219000).

Almost surely, 2^716525649 is an apocalyptic number.

It is an amenable number.

716525649 is a deficient number, since it is larger than the sum of its proper divisors (538482351).

716525649 is a wasteful number, since it uses less digits than its factorization.

716525649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130774 (or 130768 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 716525649 is about 26767.9967311713. The cubic root of 716525649 is about 894.8369599915.

The spelling of 716525649 in words is "seven hundred sixteen million, five hundred twenty-five thousand, six hundred forty-nine".