425019 has 16 divisors (see below), whose sum is σ = 666368. Its totient is φ = 235872.

The previous prime is 425003. The next prime is 425027. The reversal of 425019 is 910524.

It is not a de Polignac number, because 425019 - 2⁴ = 425003 is a prime.

It is a super-2 number, since 2×425019² = 361282300722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

425019 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 424986 and 425004.

It is not an unprimeable number, because it can be changed into a prime (425039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504 + ... + 1050.

It is an arithmetic number, because the mean of its divisors is an integer number (41648).

2⁴²⁵⁰¹⁹ is an apocalyptic number.

425019 is a deficient number, since it is larger than the sum of its proper divisors (241349).

425019 is a wasteful number, since it uses less digits than its factorization.

425019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 425019 is about 651.9348126922. The cubic root of 425019 is about 75.1858501934.

The spelling of 425019 in words is "four hundred twenty-five thousand, nineteen".