451442041 has 2 divisors, whose sum is σ = 451442042. Its totient is φ = 451442040.

The previous prime is 451442027. The next prime is 451442051. The reversal of 451442041 is 140244154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370370025 + 81072016 = 19245^2 + 9004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451442041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 451441997 and 451442015.

It is not a weakly prime, because it can be changed into another prime (451442051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225721020 + 225721021.

It is an arithmetic number, because the mean of its divisors is an integer number (225721021).

Almost surely, 2^451442041 is an apocalyptic number.

It is an amenable number.

451442041 is a deficient number, since it is larger than the sum of its proper divisors (1).

451442041 is an equidigital number, since it uses as much as digits as its factorization.

451442041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 451442041 is about 21247.1654815413. The cubic root of 451442041 is about 767.1271148579.

Adding to 451442041 its reverse (140244154), we get a palindrome (591686195).

The spelling of 451442041 in words is "four hundred fifty-one million, four hundred forty-two thousand, forty-one".