425234219 has 2 divisors, whose sum is σ = 425234220. Its totient is φ = 425234218.

The previous prime is 425234213. The next prime is 425234263. The reversal of 425234219 is 912432524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425234219 - 2⁴ = 425234203 is a prime.

It is a super-2 number, since 2×425234219² = 361648282017079922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (425234213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212617109 + 212617110.

It is an arithmetic number, because the mean of its divisors is an integer number (212617110).

Almost surely, 2^425234219 is an apocalyptic number.

425234219 is a deficient number, since it is larger than the sum of its proper divisors (1).

425234219 is an equidigital number, since it uses as much as digits as its factorization.

425234219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 425234219 is about 20621.2079908040. The cubic root of 425234219 is about 751.9853879715.

The spelling of 425234219 in words is "four hundred twenty-five million, two hundred thirty-four thousand, two hundred nineteen".