91454059 has 2 divisors, whose sum is σ = 91454060. Its totient is φ = 91454058.

The previous prime is 91454053. The next prime is 91454089. The reversal of 91454059 is 95045419.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91454059 - 2²¹ = 89356907 is a prime.

It is not a weakly prime, because it can be changed into another prime (91454053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45727029 + 45727030.

It is an arithmetic number, because the mean of its divisors is an integer number (45727030).

Almost surely, 2^91454059 is an apocalyptic number.

91454059 is a deficient number, since it is larger than the sum of its proper divisors (1).

91454059 is an equidigital number, since it uses as much as digits as its factorization.

91454059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 91454059 is about 9563.1615588152. The cubic root of 91454059 is about 450.5410102179.

The spelling of 91454059 in words is "ninety-one million, four hundred fifty-four thousand, fifty-nine".