32040091 has 2 divisors, whose sum is σ = 32040092. Its totient is φ = 32040090.

The previous prime is 32040083. The next prime is 32040097. The reversal of 32040091 is 19004023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32040091 - 2³ = 32040083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32040097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16020045 + 16020046.

It is an arithmetic number, because the mean of its divisors is an integer number (16020046).

Almost surely, 2^32040091 is an apocalyptic number.

32040091 is a deficient number, since it is larger than the sum of its proper divisors (1).

32040091 is an equidigital number, since it uses as much as digits as its factorization.

32040091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 32040091 is about 5660.3967175455. The cubic root of 32040091 is about 317.6127394288.

The spelling of 32040091 in words is "thirty-two million, forty thousand, ninety-one".