841420451 has 2 divisors, whose sum is σ = 841420452. Its totient is φ = 841420450.

The previous prime is 841420387. The next prime is 841420483. The reversal of 841420451 is 154024148.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 841420451 - 2⁶ = 841420387 is a prime.

It is a super-2 number, since 2×841420451² = 1415976750722086802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (841422451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420710225 + 420710226.

It is an arithmetic number, because the mean of its divisors is an integer number (420710226).

Almost surely, 2^841420451 is an apocalyptic number.

841420451 is a deficient number, since it is larger than the sum of its proper divisors (1).

841420451 is an equidigital number, since it uses as much as digits as its factorization.

841420451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 841420451 is about 29007.2482493600. The cubic root of 841420451 is about 944.0703420454.

Adding to 841420451 its reverse (154024148), we get a palindrome (995444599).

The spelling of 841420451 in words is "eight hundred forty-one million, four hundred twenty thousand, four hundred fifty-one".