91250363 has 2 divisors, whose sum is σ = 91250364. Its totient is φ = 91250362.

The previous prime is 91250333. The next prime is 91250371. The reversal of 91250363 is 36305219.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91250363 - 2¹⁰ = 91249339 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (91250323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45625181 + 45625182.

It is an arithmetic number, because the mean of its divisors is an integer number (45625182).

Almost surely, 2^91250363 is an apocalyptic number.

91250363 is a deficient number, since it is larger than the sum of its proper divisors (1).

91250363 is an equidigital number, since it uses as much as digits as its factorization.

91250363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 91250363 is about 9552.5055875409. The cubic root of 91250363 is about 450.2062642889.

The spelling of 91250363 in words is "ninety-one million, two hundred fifty thousand, three hundred sixty-three".