2425685 has 4 divisors (see below), whose sum is σ = 2910828. Its totient is φ = 1940544.

The previous prime is 2425681. The next prime is 2425693. The reversal of 2425685 is 5865242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 253009 + 2172676 = 503^2 + 1474^2 .

It is a cyclic number.

It is not a de Polignac number, because 2425685 - 2² = 2425681 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2425681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242564 + ... + 242573.

It is an arithmetic number, because the mean of its divisors is an integer number (727707).

2^2425685 is an apocalyptic number.

It is an amenable number.

2425685 is a deficient number, since it is larger than the sum of its proper divisors (485143).

2425685 is an equidigital number, since it uses as much as digits as its factorization.

2425685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485142.

The product of its digits is 19200, while the sum is 32.

The square root of 2425685 is about 1557.4610749550. The cubic root of 2425685 is about 134.3625180402.

The spelling of 2425685 in words is "two million, four hundred twenty-five thousand, six hundred eighty-five".