441042397 has 2 divisors, whose sum is σ = 441042398. Its totient is φ = 441042396.

The previous prime is 441042389. The next prime is 441042451. The reversal of 441042397 is 793240144.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304362916 + 136679481 = 17446^2 + 11691^2 .

It is a cyclic number.

It is not a de Polignac number, because 441042397 - 2³ = 441042389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441042317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220521198 + 220521199.

It is an arithmetic number, because the mean of its divisors is an integer number (220521199).

Almost surely, 2^441042397 is an apocalyptic number.

It is an amenable number.

441042397 is a deficient number, since it is larger than the sum of its proper divisors (1).

441042397 is an equidigital number, since it uses as much as digits as its factorization.

441042397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 441042397 is about 21001.0094281204. The cubic root of 441042397 is about 761.1906527361.

It can be divided in two parts, 44 and 1042397, that added together give a square (1042441 = 1021²).

The spelling of 441042397 in words is "four hundred forty-one million, forty-two thousand, three hundred ninety-seven".