44039113 has 2 divisors, whose sum is σ = 44039114. Its totient is φ = 44039112.

The previous prime is 44039111. The next prime is 44039117. The reversal of 44039113 is 31193044.

44039113 = 4692² + 4693².

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22024249 + 22014864 = 4693^2 + 4692^2 .

It is a cyclic number.

It is not a de Polignac number, because 44039113 - 2¹ = 44039111 is a prime.

Together with 44039111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (44039111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22019556 + 22019557.

It is an arithmetic number, because the mean of its divisors is an integer number (22019557).

Almost surely, 2^44039113 is an apocalyptic number.

44039113 is the 4693-rd centered square number.

It is an amenable number.

44039113 is a deficient number, since it is larger than the sum of its proper divisors (1).

44039113 is an equidigital number, since it uses as much as digits as its factorization.

44039113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 44039113 is about 6636.1971791079. The cubic root of 44039113 is about 353.1394105169.

The spelling of 44039113 in words is "forty-four million, thirty-nine thousand, one hundred thirteen".