441420451 has 2 divisors, whose sum is σ = 441420452. Its totient is φ = 441420450.

The previous prime is 441420449. The next prime is 441420481. The reversal of 441420451 is 154024144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 441420451 - 2¹ = 441420449 is a prime.

It is a super-2 number, since 2×441420451² = 389704029122086802, which contains 22 as substring.

Together with 441420449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (441420481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220710225 + 220710226.

It is an arithmetic number, because the mean of its divisors is an integer number (220710226).

Almost surely, 2^441420451 is an apocalyptic number.

441420451 is a deficient number, since it is larger than the sum of its proper divisors (1).

441420451 is an equidigital number, since it uses as much as digits as its factorization.

441420451 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 441420451 is about 21010.0083531635. The cubic root of 441420451 is about 761.4080838251.

Adding to 441420451 its reverse (154024144), we get a palindrome (595444595).

The spelling of 441420451 in words is "four hundred forty-one million, four hundred twenty thousand, four hundred fifty-one".