91464853 has 2 divisors, whose sum is σ = 91464854. Its totient is φ = 91464852.

The previous prime is 91464829. The next prime is 91464871. The reversal of 91464853 is 35846419.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56205009 + 35259844 = 7497^2 + 5938^2 .

It is a cyclic number.

It is not a de Polignac number, because 91464853 - 2⁹ = 91464341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91464253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45732426 + 45732427.

It is an arithmetic number, because the mean of its divisors is an integer number (45732427).

Almost surely, 2^91464853 is an apocalyptic number.

It is an amenable number.

91464853 is a deficient number, since it is larger than the sum of its proper divisors (1).

91464853 is an equidigital number, since it uses as much as digits as its factorization.

91464853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 91464853 is about 9563.7258952774. The cubic root of 91464853 is about 450.5587347760.

The spelling of 91464853 in words is "ninety-one million, four hundred sixty-four thousand, eight hundred fifty-three".