91250927 has 2 divisors, whose sum is σ = 91250928. Its totient is φ = 91250926.

The previous prime is 91250891. The next prime is 91250963. The reversal of 91250927 is 72905219.

It is a balanced prime because it is at equal distance from previous prime (91250891) and next prime (91250963).

It is an emirp because it is prime and its reverse (72905219) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91250927 - 2²⁰ = 90202351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91250227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45625463 + 45625464.

It is an arithmetic number, because the mean of its divisors is an integer number (45625464).

Almost surely, 2^91250927 is an apocalyptic number.

91250927 is a deficient number, since it is larger than the sum of its proper divisors (1).

91250927 is an equidigital number, since it uses as much as digits as its factorization.

91250927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 91250927 is about 9552.5351085458. The cubic root of 91250927 is about 450.2071918316.

The spelling of 91250927 in words is "ninety-one million, two hundred fifty thousand, nine hundred twenty-seven".