219425 has 12 divisors (see below), whose sum is σ = 278256. Its totient is φ = 171600.

The previous prime is 219409. The next prime is 219433. The reversal of 219425 is 524912.

It is not a de Polignac number, because 219425 - 2⁴ = 219409 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 219425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1610 + ... + 1740.

It is an arithmetic number, because the mean of its divisors is an integer number (23188).

2²¹⁹⁴²⁵ is an apocalyptic number.

219425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

219425 is a deficient number, since it is larger than the sum of its proper divisors (58831).

219425 is a wasteful number, since it uses less digits than its factorization.

219425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 203 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 219425 is about 468.4282228901. The cubic root of 219425 is about 60.3154680544.

The spelling of 219425 in words is "two hundred nineteen thousand, four hundred twenty-five".