45425993 has 2 divisors, whose sum is σ = 45425994. Its totient is φ = 45425992.

The previous prime is 45425971. The next prime is 45426011. The reversal of 45425993 is 39952454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33674809 + 11751184 = 5803^2 + 3428^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45425993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45425993.

It is not a weakly prime, because it can be changed into another prime (45424993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22712996 + 22712997.

It is an arithmetic number, because the mean of its divisors is an integer number (22712997).

Almost surely, 2^45425993 is an apocalyptic number.

It is an amenable number.

45425993 is a deficient number, since it is larger than the sum of its proper divisors (1).

45425993 is an equidigital number, since it uses as much as digits as its factorization.

45425993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 41.

The square root of 45425993 is about 6739.8807852958. The cubic root of 45425993 is about 356.8081862870.

The spelling of 45425993 in words is "forty-five million, four hundred twenty-five thousand, nine hundred ninety-three".