2800025 has 12 divisors (see below), whose sum is σ = 3547392. Its totient is φ = 2191440.

The previous prime is 2800003. The next prime is 2800033. The reversal of 2800025 is 5200082.

It is a happy number.

It is not a de Polignac number, because 2800025 - 2¹⁰ = 2799001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2799976 and 2800012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17 + ... + 2366.

It is an arithmetic number, because the mean of its divisors is an integer number (295616).

2^2800025 is an apocalyptic number.

2800025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2800025 is a deficient number, since it is larger than the sum of its proper divisors (747367).

2800025 is a wasteful number, since it uses less digits than its factorization.

2800025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440 (or 2435 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2800025 is about 1673.3275232303. The cubic root of 2800025 is about 140.9463941221.

The spelling of 2800025 in words is "two million, eight hundred thousand, twenty-five".