421241627 has 2 divisors, whose sum is σ = 421241628. Its totient is φ = 421241626.

The previous prime is 421241599. The next prime is 421241629. The reversal of 421241627 is 726142124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421241627 - 2⁸ = 421241371 is a prime.

Together with 421241629, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421241627.

It is not a weakly prime, because it can be changed into another prime (421241629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210620813 + 210620814.

It is an arithmetic number, because the mean of its divisors is an integer number (210620814).

Almost surely, 2^421241627 is an apocalyptic number.

421241627 is a deficient number, since it is larger than the sum of its proper divisors (1).

421241627 is an equidigital number, since it uses as much as digits as its factorization.

421241627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 29.

The square root of 421241627 is about 20524.1717737891. The cubic root of 421241627 is about 749.6244798627.

The spelling of 421241627 in words is "four hundred twenty-one million, two hundred forty-one thousand, six hundred twenty-seven".