91362559 has 2 divisors, whose sum is σ = 91362560. Its totient is φ = 91362558.

The previous prime is 91362553. The next prime is 91362563. The reversal of 91362559 is 95526319.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91362559 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91362553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45681279 + 45681280.

It is an arithmetic number, because the mean of its divisors is an integer number (45681280).

Almost surely, 2^91362559 is an apocalyptic number.

91362559 is a deficient number, since it is larger than the sum of its proper divisors (1).

91362559 is an equidigital number, since it uses as much as digits as its factorization.

91362559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 40.

The square root of 91362559 is about 9558.3763788627. The cubic root of 91362559 is about 450.3907043013.

The spelling of 91362559 in words is "ninety-one million, three hundred sixty-two thousand, five hundred fifty-nine".