441442457 has 2 divisors, whose sum is σ = 441442458. Its totient is φ = 441442456.

The previous prime is 441442433. The next prime is 441442483. The reversal of 441442457 is 754244144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378652681 + 62789776 = 19459^2 + 7924^2 .

It is a cyclic number.

It is not a de Polignac number, because 441442457 - 2¹⁰ = 441441433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (441442487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220721228 + 220721229.

It is an arithmetic number, because the mean of its divisors is an integer number (220721229).

Almost surely, 2^441442457 is an apocalyptic number.

It is an amenable number.

441442457 is a deficient number, since it is larger than the sum of its proper divisors (1).

441442457 is an equidigital number, since it uses as much as digits as its factorization.

441442457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71680, while the sum is 35.

The square root of 441442457 is about 21010.5320494270. The cubic root of 441442457 is about 761.4207363636.

The spelling of 441442457 in words is "four hundred forty-one million, four hundred forty-two thousand, four hundred fifty-seven".