445632983 has 2 divisors, whose sum is σ = 445632984. Its totient is φ = 445632982.

The previous prime is 445632931. The next prime is 445632989. The reversal of 445632983 is 389236544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445632983 - 2⁶ = 445632919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445632989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222816491 + 222816492.

It is an arithmetic number, because the mean of its divisors is an integer number (222816492).

Almost surely, 2^445632983 is an apocalyptic number.

445632983 is a deficient number, since it is larger than the sum of its proper divisors (1).

445632983 is an equidigital number, since it uses as much as digits as its factorization.

445632983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 44.

The square root of 445632983 is about 21110.0209142483. The cubic root of 445632983 is about 763.8224913804.

The spelling of 445632983 in words is "four hundred forty-five million, six hundred thirty-two thousand, nine hundred eighty-three".