2807925 has 24 divisors (see below), whose sum is σ = 4806240. Its totient is φ = 1444800.

The previous prime is 2807899. The next prime is 2807927. The reversal of 2807925 is 5297082.

It is not a de Polignac number, because 2807925 - 2¹³ = 2799733 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2807927) 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, 1530 + ... + 2820.

It is an arithmetic number, because the mean of its divisors is an integer number (200260).

2^2807925 is an apocalyptic number.

2807925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2807925 is a deficient number, since it is larger than the sum of its proper divisors (1998315).

2807925 is a wasteful number, since it uses less digits than its factorization.

2807925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333 (or 1328 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2807925 is about 1675.6864265130. The cubic root of 2807925 is about 141.0788251972.

The spelling of 2807925 in words is "two million, eight hundred seven thousand, nine hundred twenty-five".