97044091 has 2 divisors, whose sum is σ = 97044092. Its totient is φ = 97044090.

The previous prime is 97044053. The next prime is 97044097. The reversal of 97044091 is 19044079.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97044091 - 2¹⁵ = 97011323 is a prime.

It is not a weakly prime, because it can be changed into another prime (97044097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48522045 + 48522046.

It is an arithmetic number, because the mean of its divisors is an integer number (48522046).

Almost surely, 2^97044091 is an apocalyptic number.

97044091 is a deficient number, since it is larger than the sum of its proper divisors (1).

97044091 is an equidigital number, since it uses as much as digits as its factorization.

97044091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 97044091 is about 9851.0959288802. The cubic root of 97044091 is about 459.5396954991.

The spelling of 97044091 in words is "ninety-seven million, forty-four thousand, ninety-one".