91314901 has 2 divisors, whose sum is σ = 91314902. Its totient is φ = 91314900.

The previous prime is 91314877. The next prime is 91314907. The reversal of 91314901 is 10941319.

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., 78747876 + 12567025 = 8874^2 + 3545^2 .

It is a cyclic number.

It is not a de Polignac number, because 91314901 - 2⁵ = 91314869 is a prime.

It is a super-2 number, since 2×91314901² = 16676822289279602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 91314901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91314907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45657450 + 45657451.

It is an arithmetic number, because the mean of its divisors is an integer number (45657451).

Almost surely, 2^91314901 is an apocalyptic number.

It is an amenable number.

91314901 is a deficient number, since it is larger than the sum of its proper divisors (1).

91314901 is an equidigital number, since it uses as much as digits as its factorization.

91314901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 91314901 is about 9555.8830570492. The cubic root of 91314901 is about 450.3123773449.

The spelling of 91314901 in words is "ninety-one million, three hundred fourteen thousand, nine hundred one".