44849257 has 2 divisors, whose sum is σ = 44849258. Its totient is φ = 44849256.

The previous prime is 44849239. The next prime is 44849261. The reversal of 44849257 is 75294844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30869136 + 13980121 = 5556^2 + 3739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44849257 is a prime.

It is a super-2 number, since 2×44849257² = 4022911706904098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44849237) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22424628 + 22424629.

It is an arithmetic number, because the mean of its divisors is an integer number (22424629).

Almost surely, 2^44849257 is an apocalyptic number.

It is an amenable number.

44849257 is a deficient number, since it is larger than the sum of its proper divisors (1).

44849257 is an equidigital number, since it uses as much as digits as its factorization.

44849257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 43.

The square root of 44849257 is about 6696.9587873900. The cubic root of 44849257 is about 355.2917181623.

The spelling of 44849257 in words is "forty-four million, eight hundred forty-nine thousand, two hundred fifty-seven".