446256641 has 2 divisors, whose sum is σ = 446256642. Its totient is φ = 446256640.

The previous prime is 446256631. The next prime is 446256677. The reversal of 446256641 is 146652644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 446096641 + 160000 = 21121^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 446256641 - 2²⁶ = 379147777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 446256595 and 446256604.

It is not a weakly prime, because it can be changed into another prime (446256631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223128320 + 223128321.

It is an arithmetic number, because the mean of its divisors is an integer number (223128321).

Almost surely, 2^446256641 is an apocalyptic number.

It is an amenable number.

446256641 is a deficient number, since it is larger than the sum of its proper divisors (1).

446256641 is an equidigital number, since it uses as much as digits as its factorization.

446256641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 38.

The square root of 446256641 is about 21124.7873598765. The cubic root of 446256641 is about 764.1786454176.

The spelling of 446256641 in words is "four hundred forty-six million, two hundred fifty-six thousand, six hundred forty-one".