425419 has 2 divisors, whose sum is σ = 425420. Its totient is φ = 425418.

The previous prime is 425417. The next prime is 425423. The reversal of 425419 is 914524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425419 - 2¹ = 425417 is a prime.

It is a super-2 number, since 2×425419² = 361962651122, which contains 22 as substring.

Together with 425417, it forms a pair of twin primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 425393 and 425402.

It is not a weakly prime, because it can be changed into another prime (425417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212709 + 212710.

It is an arithmetic number, because the mean of its divisors is an integer number (212710).

2⁴²⁵⁴¹⁹ is an apocalyptic number.

425419 is a deficient number, since it is larger than the sum of its proper divisors (1).

425419 is an equidigital number, since it uses as much as digits as its factorization.

425419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 425419 is about 652.2415196842. The cubic root of 425419 is about 75.2094294612.

The spelling of 425419 in words is "four hundred twenty-five thousand, four hundred nineteen".