90651713 has 2 divisors, whose sum is σ = 90651714. Its totient is φ = 90651712.

The previous prime is 90651707. The next prime is 90651721. The reversal of 90651713 is 31715609.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68674369 + 21977344 = 8287^2 + 4688^2 .

It is a cyclic number.

It is not a de Polignac number, because 90651713 - 2¹⁰ = 90650689 is a prime.

It is equal to p_5252639 and since 90651713 and 5252639 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90651713.

It is not a weakly prime, because it can be changed into another prime (90651773) 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 as a sum of consecutive naturals, namely, 45325856 + 45325857.

It is an arithmetic number, because the mean of its divisors is an integer number (45325857).

Almost surely, 2^90651713 is an apocalyptic number.

It is an amenable number.

90651713 is a deficient number, since it is larger than the sum of its proper divisors (1).

90651713 is an equidigital number, since it uses as much as digits as its factorization.

90651713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 90651713 is about 9521.1193144504. The cubic root of 90651713 is about 449.2195740544.

The spelling of 90651713 in words is "ninety million, six hundred fifty-one thousand, seven hundred thirteen".