418425 has 24 divisors (see below), whose sum is σ = 791616. Its totient is φ = 191040.

The previous prime is 418423. The next prime is 418427. The reversal of 418425 is 524814.

It is an interprime number because it is at equal distance from previous prime (418423) and next prime (418427).

It is not a de Polignac number, because 418425 - 2¹ = 418423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 418395 and 418404.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 418425.

It is not an unprimeable number, because it can be changed into a prime (418423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127 + ... + 923.

It is an arithmetic number, because the mean of its divisors is an integer number (32984).

2⁴¹⁸⁴²⁵ is an apocalyptic number.

It is an amenable number.

418425 is a deficient number, since it is larger than the sum of its proper divisors (373191).

418425 is a wasteful number, since it uses less digits than its factorization.

418425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 812 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 418425 is about 646.8577896261. The cubic root of 418425 is about 74.7949957093.

The spelling of 418425 in words is "four hundred eighteen thousand, four hundred twenty-five".