44090531 has 2 divisors, whose sum is σ = 44090532. Its totient is φ = 44090530.

The previous prime is 44090521. The next prime is 44090533. The reversal of 44090531 is 13509044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44090531 is a prime.

It is a super-2 number, since 2×44090531² = 3887949847723922, which contains 22 as substring.

Together with 44090533, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44090531.

It is not a weakly prime, because it can be changed into another prime (44090533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22045265 + 22045266.

It is an arithmetic number, because the mean of its divisors is an integer number (22045266).

Almost surely, 2^44090531 is an apocalyptic number.

44090531 is a deficient number, since it is larger than the sum of its proper divisors (1).

44090531 is an equidigital number, since it uses as much as digits as its factorization.

44090531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 44090531 is about 6640.0701050516. The cubic root of 44090531 is about 353.2767933936.

Adding to 44090531 its reverse (13509044), we get a palindrome (57599575).

The spelling of 44090531 in words is "forty-four million, ninety thousand, five hundred thirty-one".