421104319 has 2 divisors, whose sum is σ = 421104320. Its totient is φ = 421104318.

The previous prime is 421104311. The next prime is 421104329. The reversal of 421104319 is 913401124.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421104319 - 2³ = 421104311 is a prime.

It is a super-2 number, since 2×421104319² = 354657694960907522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421104293 and 421104302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421104311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210552159 + 210552160.

It is an arithmetic number, because the mean of its divisors is an integer number (210552160).

Almost surely, 2^421104319 is an apocalyptic number.

421104319 is a deficient number, since it is larger than the sum of its proper divisors (1).

421104319 is an equidigital number, since it uses as much as digits as its factorization.

421104319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 421104319 is about 20520.8264697112. The cubic root of 421104319 is about 749.5430217659.

The spelling of 421104319 in words is "four hundred twenty-one million, one hundred four thousand, three hundred nineteen".