716526649 has 2 divisors, whose sum is σ = 716526650. Its totient is φ = 716526648.

The previous prime is 716526631. The next prime is 716526683. The reversal of 716526649 is 946625617.

716526649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 712890000 + 3636649 = 26700^2 + 1907^2 .

It is a cyclic number.

It is not a de Polignac number, because 716526649 - 2⁵ = 716526617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 716526599 and 716526608.

It is not a weakly prime, because it can be changed into another prime (716556649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358263324 + 358263325.

It is an arithmetic number, because the mean of its divisors is an integer number (358263325).

Almost surely, 2^716526649 is an apocalyptic number.

It is an amenable number.

716526649 is a deficient number, since it is larger than the sum of its proper divisors (1).

716526649 is an equidigital number, since it uses as much as digits as its factorization.

716526649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 716526649 is about 26768.0154101868. The cubic root of 716526649 is about 894.8373762764.

The spelling of 716526649 in words is "seven hundred sixteen million, five hundred twenty-six thousand, six hundred forty-nine".