44625643 has 2 divisors, whose sum is σ = 44625644. Its totient is φ = 44625642.

The previous prime is 44625631. The next prime is 44625673. The reversal of 44625643 is 34652644.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44625643 - 2⁵ = 44625611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44625599 and 44625608.

It is not a weakly prime, because it can be changed into another prime (44625613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22312821 + 22312822.

It is an arithmetic number, because the mean of its divisors is an integer number (22312822).

Almost surely, 2^44625643 is an apocalyptic number.

44625643 is a deficient number, since it is larger than the sum of its proper divisors (1).

44625643 is an equidigital number, since it uses as much as digits as its factorization.

44625643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 34.

The square root of 44625643 is about 6680.2427351108. The cubic root of 44625643 is about 354.7002508422.

The spelling of 44625643 in words is "forty-four million, six hundred twenty-five thousand, six hundred forty-three".