2505873 has 12 divisors (see below), whose sum is σ = 3494960. Its totient is φ = 1596936.

The previous prime is 2505863. The next prime is 2505901. The reversal of 2505873 is 3785052.

It is a happy number.

It is not a de Polignac number, because 2505873 - 2⁴ = 2505857 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2505873.

It is not an unprimeable number, because it can be changed into a prime (2505863) 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, 798 + ... + 2376.

2^2505873 is an apocalyptic number.

2505873 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2505873 is a deficient number, since it is larger than the sum of its proper divisors (989087).

2505873 is a wasteful number, since it uses less digits than its factorization.

2505873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628 (or 1605 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2505873 is about 1582.9949462964. The cubic root of 2505873 is about 135.8270762128.

The spelling of 2505873 in words is "two million, five hundred five thousand, eight hundred seventy-three".