91361527 has 2 divisors, whose sum is σ = 91361528. Its totient is φ = 91361526.

The previous prime is 91361483. The next prime is 91361549. The reversal of 91361527 is 72516319.

It is a strong prime.

It is an emirp because it is prime and its reverse (72516319) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91361527 - 2²³ = 82972919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91361492 and 91361501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91367527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45680763 + 45680764.

It is an arithmetic number, because the mean of its divisors is an integer number (45680764).

Almost surely, 2^91361527 is an apocalyptic number.

91361527 is the 5519-th hex number.

91361527 is a deficient number, since it is larger than the sum of its proper divisors (1).

91361527 is an equidigital number, since it uses as much as digits as its factorization.

91361527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 34.

The square root of 91361527 is about 9558.3223946465. The cubic root of 91361527 is about 450.3890084755.

The spelling of 91361527 in words is "ninety-one million, three hundred sixty-one thousand, five hundred twenty-seven".