444213241 has 2 divisors, whose sum is σ = 444213242. Its totient is φ = 444213240.

The previous prime is 444213233. The next prime is 444213257. The reversal of 444213241 is 142312444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 327465216 + 116748025 = 18096^2 + 10805^2 .

It is a cyclic number.

It is not a de Polignac number, because 444213241 - 2³ = 444213233 is a prime.

It is not a weakly prime, because it can be changed into another prime (444213221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222106620 + 222106621.

It is an arithmetic number, because the mean of its divisors is an integer number (222106621).

Almost surely, 2^444213241 is an apocalyptic number.

It is an amenable number.

444213241 is a deficient number, since it is larger than the sum of its proper divisors (1).

444213241 is an equidigital number, since it uses as much as digits as its factorization.

444213241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 25.

The square root of 444213241 is about 21076.3668833127. The cubic root of 444213241 is about 763.0104744778.

Adding to 444213241 its reverse (142312444), we get a palindrome (586525685).

The spelling of 444213241 in words is "four hundred forty-four million, two hundred thirteen thousand, two hundred forty-one".