44325513 has 18 divisors (see below), whose sum is σ = 65006682. Its totient is φ = 29104320.

The previous prime is 44325509. The next prime is 44325521. The reversal of 44325513 is 31552344.

It can be written as a sum of positive squares in only one way, i.e., 43599609 + 725904 = 6603^2 + 852^2 .

It is not a de Polignac number, because 44325513 - 2² = 44325509 is a prime.

It is a super-2 number, since 2×44325513² = 3929502205426338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44325313) 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 in 17 ways as a sum of consecutive naturals, for example, 44881 + ... + 45857.

Almost surely, 2^44325513 is an apocalyptic number.

It is an amenable number.

44325513 is a deficient number, since it is larger than the sum of its proper divisors (20681169).

44325513 is an equidigital number, since it uses as much as digits as its factorization.

44325513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1051 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 44325513 is about 6657.7408330454. The cubic root of 44325513 is about 353.9032820139.

Adding to 44325513 its reverse (31552344), we get a palindrome (75877857).

The spelling of 44325513 in words is "forty-four million, three hundred twenty-five thousand, five hundred thirteen".