6413825 has 24 divisors (see below), whose sum is σ = 8811936. Its totient is φ = 4592000.

The previous prime is 6413821. The next prime is 6413857. The reversal of 6413825 is 5283146.

It is not a de Polignac number, because 6413825 - 2² = 6413821 is a prime.

It is a super-2 number, since 2×6413825² = 82274302261250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6413821) 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, 22685 + ... + 22965.

It is an arithmetic number, because the mean of its divisors is an integer number (367164).

Almost surely, 2^6413825 is an apocalyptic number.

It is an amenable number.

6413825 is a deficient number, since it is larger than the sum of its proper divisors (2398111).

6413825 is a wasteful number, since it uses less digits than its factorization.

6413825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 380 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 6413825 is about 2532.5530596613. The cubic root of 6413825 is about 185.7971446263.

The spelling of 6413825 in words is "six million, four hundred thirteen thousand, eight hundred twenty-five".