45213983 has 2 divisors, whose sum is σ = 45213984. Its totient is φ = 45213982.

The previous prime is 45213979. The next prime is 45214051. The reversal of 45213983 is 38931254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45213983 - 2² = 45213979 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 (45213913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22606991 + 22606992.

It is an arithmetic number, because the mean of its divisors is an integer number (22606992).

Almost surely, 2^45213983 is an apocalyptic number.

45213983 is a deficient number, since it is larger than the sum of its proper divisors (1).

45213983 is an equidigital number, since it uses as much as digits as its factorization.

45213983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 45213983 is about 6724.1343680804. The cubic root of 45213983 is about 356.2522278305.

The spelling of 45213983 in words is "forty-five million, two hundred thirteen thousand, nine hundred eighty-three".