65056091 has 2 divisors, whose sum is σ = 65056092. Its totient is φ = 65056090.

The previous prime is 65056087. The next prime is 65056097. The reversal of 65056091 is 19065056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65056091 - 2² = 65056087 is a prime.

It is not a weakly prime, because it can be changed into another prime (65056097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32528045 + 32528046.

It is an arithmetic number, because the mean of its divisors is an integer number (32528046).

Almost surely, 2^65056091 is an apocalyptic number.

65056091 is a deficient number, since it is larger than the sum of its proper divisors (1).

65056091 is an equidigital number, since it uses as much as digits as its factorization.

65056091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 65056091 is about 8065.7356143132. The cubic root of 65056091 is about 402.1881972372.

The spelling of 65056091 in words is "sixty-five million, fifty-six thousand, ninety-one".