44529013 has 4 divisors (see below), whose sum is σ = 44945280. Its totient is φ = 44112748.

The previous prime is 44528987. The next prime is 44529041. The reversal of 44529013 is 31092544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44529013 - 2²⁵ = 10974581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44529053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207973 + ... + 208186.

It is an arithmetic number, because the mean of its divisors is an integer number (11236320).

Almost surely, 2^44529013 is an apocalyptic number.

It is an amenable number.

44529013 is a deficient number, since it is larger than the sum of its proper divisors (416267).

44529013 is a wasteful number, since it uses less digits than its factorization.

44529013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416266.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 44529013 is about 6673.0062940177. The cubic root of 44529013 is about 354.4440494626. Note that the first 3 decimals are identical.

The spelling of 44529013 in words is "forty-four million, five hundred twenty-nine thousand, thirteen".