2505460 has 24 divisors (see below), whose sum is σ = 5571720. Its totient is φ = 943104.

The previous prime is 2505457. The next prime is 2505487. The reversal of 2505460 is 645052.

It can be written as a sum of positive squares in 4 ways, for example, as 1094116 + 1411344 = 1046^2 + 1188^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3345 + ... + 4024.

It is an arithmetic number, because the mean of its divisors is an integer number (232155).

2^2505460 is an apocalyptic number.

2505460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2505460 is an abundant number, since it is smaller than the sum of its proper divisors (3066260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2505460 is a wasteful number, since it uses less digits than its factorization.

2505460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7395 (or 7393 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2505460 is about 1582.8644919891. The cubic root of 2505460 is about 135.8196137882.

The spelling of 2505460 in words is "two million, five hundred five thousand, four hundred sixty".