91632523 has 2 divisors, whose sum is σ = 91632524. Its totient is φ = 91632522.

The previous prime is 91632503. The next prime is 91632539. The reversal of 91632523 is 32523619.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91632523 - 2¹³ = 91624331 is a prime.

It is not a weakly prime, because it can be changed into another prime (91632503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45816261 + 45816262.

It is an arithmetic number, because the mean of its divisors is an integer number (45816262).

Almost surely, 2^91632523 is an apocalyptic number.

91632523 is a deficient number, since it is larger than the sum of its proper divisors (1).

91632523 is an equidigital number, since it uses as much as digits as its factorization.

91632523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 31.

The square root of 91632523 is about 9572.4878166546. The cubic root of 91632523 is about 450.8338826072.

The spelling of 91632523 in words is "ninety-one million, six hundred thirty-two thousand, five hundred twenty-three".