2645425 has 6 divisors (see below), whose sum is σ = 3280358. Its totient is φ = 2116320.

The previous prime is 2645417. The next prime is 2645429. The reversal of 2645425 is 5245462.

2645425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 732736 + 1912689 = 856^2 + 1383^2 .

It is not a de Polignac number, because 2645425 - 2³ = 2645417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2645393 and 2645402.

It is not an unprimeable number, because it can be changed into a prime (2645429) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 52884 + ... + 52933.

2^2645425 is an apocalyptic number.

2645425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2645425 is a deficient number, since it is larger than the sum of its proper divisors (634933).

2645425 is a wasteful number, since it uses less digits than its factorization.

2645425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105827 (or 105822 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 2645425 is about 1626.4762525165. The cubic root of 2645425 is about 138.3030691362.

It can be divided in two parts, 26 and 45425, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 2645425 in words is "two million, six hundred forty-five thousand, four hundred twenty-five".