441954257 has 2 divisors, whose sum is σ = 441954258. Its totient is φ = 441954256.

The previous prime is 441954217. The next prime is 441954263. The reversal of 441954257 is 752459144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331094416 + 110859841 = 18196^2 + 10529^2 .

It is a cyclic number.

It is not a de Polignac number, because 441954257 - 2¹² = 441950161 is a prime.

It is not a weakly prime, because it can be changed into another prime (441954217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220977128 + 220977129.

It is an arithmetic number, because the mean of its divisors is an integer number (220977129).

Almost surely, 2^441954257 is an apocalyptic number.

It is an amenable number.

441954257 is a deficient number, since it is larger than the sum of its proper divisors (1).

441954257 is an equidigital number, since it uses as much as digits as its factorization.

441954257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 41.

The square root of 441954257 is about 21022.7081271657. The cubic root of 441954257 is about 761.7148816306.

The spelling of 441954257 in words is "four hundred forty-one million, nine hundred fifty-four thousand, two hundred fifty-seven".