2545800 has 48 divisors (see below), whose sum is σ = 7893840. Its totient is φ = 678720.

The previous prime is 2545783. The next prime is 2545811. The reversal of 2545800 is 85452.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1522 + ... + 2721.

It is an arithmetic number, because the mean of its divisors is an integer number (164455).

2^2545800 is an apocalyptic number.

2545800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2545800 is an abundant number, since it is smaller than the sum of its proper divisors (5348040).

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

2545800 is a wasteful number, since it uses less digits than its factorization.

2545800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262 (or 4253 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2545800 is about 1595.5563293096. The cubic root of 2545800 is about 136.5446726812.

The spelling of 2545800 in words is "two million, five hundred forty-five thousand, eight hundred".