2505879 has 12 divisors (see below), whose sum is σ = 3708432. Its totient is φ = 1629600.

The previous prime is 2505863. The next prime is 2505901. The reversal of 2505879 is 9785052.

It is not a de Polignac number, because 2505879 - 2⁴ = 2505863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3027 + ... + 3764.

It is an arithmetic number, because the mean of its divisors is an integer number (309036).

2^2505879 is an apocalyptic number.

2505879 is a deficient number, since it is larger than the sum of its proper divisors (1202553).

2505879 is a wasteful number, since it uses less digits than its factorization.

2505879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6838 (or 6835 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 2505879 is about 1582.9968414372. The cubic root of 2505879 is about 135.8271846197.

The spelling of 2505879 in words is "two million, five hundred five thousand, eight hundred seventy-nine".