408025 has 12 divisors (see below), whose sum is σ = 533200. Its totient is φ = 308880.

The previous prime is 408019. The next prime is 408041. The reversal of 408025 is 520804.

It is a happy number.

It is not a de Polignac number, because 408025 - 2⁵ = 407993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 407993 and 408011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46 + ... + 904.

2⁴⁰⁸⁰²⁵ is an apocalyptic number.

It is an amenable number.

408025 is a deficient number, since it is larger than the sum of its proper divisors (125175).

408025 is a wasteful number, since it uses less digits than its factorization.

408025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 408025 is about 638.7683461162. The cubic root of 408025 is about 74.1701102358.

Adding to 408025 its reverse (520804), we get a palindrome (928829).

The spelling of 408025 in words is "four hundred eight thousand, twenty-five".