32112491 has 2 divisors, whose sum is σ = 32112492. Its totient is φ = 32112490.

The previous prime is 32112449. The next prime is 32112499. The reversal of 32112491 is 19421123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32112491 - 2⁶ = 32112427 is a prime.

It is not a weakly prime, because it can be changed into another prime (32112499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16056245 + 16056246.

It is an arithmetic number, because the mean of its divisors is an integer number (16056246).

Almost surely, 2^32112491 is an apocalyptic number.

32112491 is a deficient number, since it is larger than the sum of its proper divisors (1).

32112491 is an equidigital number, since it uses as much as digits as its factorization.

32112491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

The square root of 32112491 is about 5666.7884202606. The cubic root of 32112491 is about 317.8517926778.

The spelling of 32112491 in words is "thirty-two million, one hundred twelve thousand, four hundred ninety-one".