32318491 has 2 divisors, whose sum is σ = 32318492. Its totient is φ = 32318490.

The previous prime is 32318483. The next prime is 32318497. The reversal of 32318491 is 19481323.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32318491 - 2³ = 32318483 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32318497) 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, 16159245 + 16159246.

It is an arithmetic number, because the mean of its divisors is an integer number (16159246).

Almost surely, 2^32318491 is an apocalyptic number.

32318491 is a deficient number, since it is larger than the sum of its proper divisors (1).

32318491 is an equidigital number, since it uses as much as digits as its factorization.

32318491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 32318491 is about 5684.9354437847. The cubic root of 32318491 is about 318.5300121968.

The spelling of 32318491 in words is "thirty-two million, three hundred eighteen thousand, four hundred ninety-one".