91411 has 2 divisors, whose sum is σ = 91412. Its totient is φ = 91410.

The previous prime is 91397. The next prime is 91423. The reversal of 91411 is 11419.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91411 - 2⁷ = 91283 is a prime.

It is not a weakly prime, because it can be changed into another prime (91711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45705 + 45706.

It is an arithmetic number, because the mean of its divisors is an integer number (45706).

2⁹¹⁴¹¹ is an apocalyptic number.

91411 is a deficient number, since it is larger than the sum of its proper divisors (1).

91411 is an equidigital number, since it uses as much as digits as its factorization.

91411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36, while the sum is 16.

The square root of 91411 is about 302.3425209923. The cubic root of 91411 is about 45.0470290226.

It can be divided in two parts, 91 and 411, that multiplied together give a triangular number (37401 = T₂₇₃).

The spelling of 91411 in words is "ninety-one thousand, four hundred eleven".