2545825 has 6 divisors (see below), whose sum is σ = 3156854. Its totient is φ = 2036640.

The previous prime is 2545817. The next prime is 2545843. The reversal of 2545825 is 5285452.

It can be written as a sum of positive squares in 3 ways, for example, as 446224 + 2099601 = 668^2 + 1449^2 .

It is not a de Polignac number, because 2545825 - 2³ = 2545817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50892 + ... + 50941.

2^2545825 is an apocalyptic number.

2545825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2545825 is a deficient number, since it is larger than the sum of its proper divisors (611029).

2545825 is a wasteful number, since it uses less digits than its factorization.

2545825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101843 (or 101838 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 2545825 is about 1595.5641635484. The cubic root of 2545825 is about 136.5451196403.

The spelling of 2545825 in words is "two million, five hundred forty-five thousand, eight hundred twenty-five".