91014851 has 2 divisors, whose sum is σ = 91014852. Its totient is φ = 91014850.

The previous prime is 91014823. The next prime is 91014863. The reversal of 91014851 is 15841019.

It is a strong prime.

It is an emirp because it is prime and its reverse (15841019) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91014851 - 2¹⁸ = 90752707 is a prime.

It is not a weakly prime, because it can be changed into another prime (91014811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45507425 + 45507426.

It is an arithmetic number, because the mean of its divisors is an integer number (45507426).

Almost surely, 2^91014851 is an apocalyptic number.

91014851 is a deficient number, since it is larger than the sum of its proper divisors (1).

91014851 is an equidigital number, since it uses as much as digits as its factorization.

91014851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 91014851 is about 9540.1703863191. The cubic root of 91014851 is about 449.8186116685.

The spelling of 91014851 in words is "ninety-one million, fourteen thousand, eight hundred fifty-one".