425619 has 18 divisors (see below), whose sum is σ = 653796. Its totient is φ = 266760.

The previous prime is 425609. The next prime is 425641. The reversal of 425619 is 916524.

425619 is a `hidden beast` number, since 42 + 5 + 619 = 666.

425619 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 425619 - 2⁴ = 425603 is a prime.

It is a super-2 number, since 2×425619² = 362303066322, which contains 22 as substring.

425619 is strictly pandigital in base 7.

425619 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 425592 and 425601.

It is not an unprimeable number, because it can be changed into a prime (425609) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3184 + ... + 3314.

It is an arithmetic number, because the mean of its divisors is an integer number (36322).

2⁴²⁵⁶¹⁹ is an apocalyptic number.

425619 is a deficient number, since it is larger than the sum of its proper divisors (228177).

425619 is a wasteful number, since it uses less digits than its factorization.

425619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 153 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 425619 is about 652.3948191088. The cubic root of 425619 is about 75.2212135527.

The spelling of 425619 in words is "four hundred twenty-five thousand, six hundred nineteen".