91322353 has 2 divisors, whose sum is σ = 91322354. Its totient is φ = 91322352.

The previous prime is 91322333. The next prime is 91322359. The reversal of 91322353 is 35322319.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83302129 + 8020224 = 9127^2 + 2832^2 .

It is a cyclic number.

It is not a de Polignac number, because 91322353 - 2¹³ = 91314161 is a prime.

It is not a weakly prime, because it can be changed into another prime (91322359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45661176 + 45661177.

It is an arithmetic number, because the mean of its divisors is an integer number (45661177).

Almost surely, 2^91322353 is an apocalyptic number.

It is an amenable number.

91322353 is a deficient number, since it is larger than the sum of its proper divisors (1).

91322353 is an equidigital number, since it uses as much as digits as its factorization.

91322353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 28.

The square root of 91322353 is about 9556.2729659632. The cubic root of 91322353 is about 450.3246266658.

It can be divided in two parts, 913223 and 53, that added together give a triangular number (913276 = T₁₃₅₁).

The spelling of 91322353 in words is "ninety-one million, three hundred twenty-two thousand, three hundred fifty-three".