44152513 has 2 divisors, whose sum is σ = 44152514. Its totient is φ = 44152512.

The previous prime is 44152501. The next prime is 44152543. The reversal of 44152513 is 31525144.

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., 35438209 + 8714304 = 5953^2 + 2952^2 .

It is a cyclic number.

It is not a de Polignac number, because 44152513 - 2¹⁷ = 44021441 is a prime.

It is not a weakly prime, because it can be changed into another prime (44152543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22076256 + 22076257.

It is an arithmetic number, because the mean of its divisors is an integer number (22076257).

Almost surely, 2^44152513 is an apocalyptic number.

It is an amenable number.

44152513 is a deficient number, since it is larger than the sum of its proper divisors (1).

44152513 is an equidigital number, since it uses as much as digits as its factorization.

44152513 is an evil number, because the sum of its binary digits is even.

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

The square root of 44152513 is about 6644.7357359040. The cubic root of 44152513 is about 353.4422601348.

Adding to 44152513 its reverse (31525144), we get a palindrome (75677657).

The spelling of 44152513 in words is "forty-four million, one hundred fifty-two thousand, five hundred thirteen".