95917721 has 2 divisors, whose sum is σ = 95917722. Its totient is φ = 95917720.

The previous prime is 95917709. The next prime is 95917729. The reversal of 95917721 is 12771959.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78570496 + 17347225 = 8864^2 + 4165^2 .

It is a cyclic number.

It is not a de Polignac number, because 95917721 - 2¹⁸ = 95655577 is a prime.

It is not a weakly prime, because it can be changed into another prime (95917729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47958860 + 47958861.

It is an arithmetic number, because the mean of its divisors is an integer number (47958861).

Almost surely, 2^95917721 is an apocalyptic number.

It is an amenable number.

95917721 is a deficient number, since it is larger than the sum of its proper divisors (1).

95917721 is an equidigital number, since it uses as much as digits as its factorization.

95917721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39690, while the sum is 41.

The square root of 95917721 is about 9793.7592884449. The cubic root of 95917721 is about 457.7548458213.

The spelling of 95917721 in words is "ninety-five million, nine hundred seventeen thousand, seven hundred twenty-one".