441445057 has 2 divisors, whose sum is σ = 441445058. Its totient is φ = 441445056.

The previous prime is 441444959. The next prime is 441445061. The reversal of 441445057 is 750544144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256512256 + 184932801 = 16016^2 + 13599^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441445057 is a prime.

It is not a weakly prime, because it can be changed into another prime (441445097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220722528 + 220722529.

It is an arithmetic number, because the mean of its divisors is an integer number (220722529).

Almost surely, 2^441445057 is an apocalyptic number.

It is an amenable number.

441445057 is a deficient number, since it is larger than the sum of its proper divisors (1).

441445057 is an equidigital number, since it uses as much as digits as its factorization.

441445057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44800, while the sum is 34.

The square root of 441445057 is about 21010.5939230665. The cubic root of 441445057 is about 761.4222312282.

The spelling of 441445057 in words is "four hundred forty-one million, four hundred forty-five thousand, fifty-seven".