44125513 has 2 divisors, whose sum is σ = 44125514. Its totient is φ = 44125512.

The previous prime is 44125481. The next prime is 44125517. The reversal of 44125513 is 31552144.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40602384 + 3523129 = 6372^2 + 1877^2 .

It is a cyclic number.

It is not a de Polignac number, because 44125513 - 2⁵ = 44125481 is a prime.

It is not a weakly prime, because it can be changed into another prime (44125517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22062756 + 22062757.

It is an arithmetic number, because the mean of its divisors is an integer number (22062757).

Almost surely, 2^44125513 is an apocalyptic number.

It is an amenable number.

44125513 is a deficient number, since it is larger than the sum of its proper divisors (1).

44125513 is an equidigital number, since it uses as much as digits as its factorization.

44125513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 25.

The square root of 44125513 is about 6642.7037417004. The cubic root of 44125513 is about 353.3702001601.

Adding to 44125513 its reverse (31552144), we get a palindrome (75677657).

The spelling of 44125513 in words is "forty-four million, one hundred twenty-five thousand, five hundred thirteen".