441211157 has 2 divisors, whose sum is σ = 441211158. Its totient is φ = 441211156.

The previous prime is 441211153. The next prime is 441211187. The reversal of 441211157 is 751112144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246301636 + 194909521 = 15694^2 + 13961^2 .

It is a cyclic number.

It is not a de Polignac number, because 441211157 - 2² = 441211153 is a prime.

It is a super-2 number, since 2×441211157² = 389334570122557298, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441211153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220605578 + 220605579.

It is an arithmetic number, because the mean of its divisors is an integer number (220605579).

Almost surely, 2^441211157 is an apocalyptic number.

It is an amenable number.

441211157 is a deficient number, since it is larger than the sum of its proper divisors (1).

441211157 is an equidigital number, since it uses as much as digits as its factorization.

441211157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 26.

The square root of 441211157 is about 21005.0269459480. The cubic root of 441211157 is about 761.2877274198.

The spelling of 441211157 in words is "four hundred forty-one million, two hundred eleven thousand, one hundred fifty-seven".