91240327 has 2 divisors, whose sum is σ = 91240328. Its totient is φ = 91240326.

The previous prime is 91240313. The next prime is 91240421. The reversal of 91240327 is 72304219.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91240327 - 2¹⁵ = 91207559 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 91240295 and 91240304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91240307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45620163 + 45620164.

It is an arithmetic number, because the mean of its divisors is an integer number (45620164).

Almost surely, 2^91240327 is an apocalyptic number.

91240327 is a deficient number, since it is larger than the sum of its proper divisors (1).

91240327 is an equidigital number, since it uses as much as digits as its factorization.

91240327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 91240327 is about 9551.9802658925. The cubic root of 91240327 is about 450.1897586533.

The spelling of 91240327 in words is "ninety-one million, two hundred forty thousand, three hundred twenty-seven".