91459 has 2 divisors, whose sum is σ = 91460. Its totient is φ = 91458.

The previous prime is 91457. The next prime is 91463. The reversal of 91459 is 95419.

It is a weak prime.

It is an emirp because it is prime and its reverse (95419) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91459 - 2¹ = 91457 is a prime.

Together with 91457, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (91453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45729 + 45730.

It is an arithmetic number, because the mean of its divisors is an integer number (45730).

2⁹¹⁴⁵⁹ is an apocalyptic number.

91459 is a deficient number, since it is larger than the sum of its proper divisors (1).

91459 is an equidigital number, since it uses as much as digits as its factorization.

91459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 28.

The square root of 91459 is about 302.4218907421. The cubic root of 91459 is about 45.0549123884.

It can be divided in two parts, 9 and 1459, that multiplied together give a palindrome (13131).

The spelling of 91459 in words is "ninety-one thousand, four hundred fifty-nine".