2551880 has 32 divisors (see below), whose sum is σ = 5797440. Its totient is φ = 1010880.

The previous prime is 2551877. The next prime is 2551883. The reversal of 2551880 is 881552.

It is an interprime number because it is at equal distance from previous prime (2551877) and next prime (2551883).

It is not an unprimeable number, because it can be changed into a prime (2551883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4997 + ... + 5483.

It is an arithmetic number, because the mean of its divisors is an integer number (181170).

2^2551880 is an apocalyptic number.

2551880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2551880 is an abundant number, since it is smaller than the sum of its proper divisors (3245560).

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

2551880 is a wasteful number, since it uses less digits than its factorization.

2551880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 2551880 is about 1597.4604846443. The cubic root of 2551880 is about 136.6532870767.

The spelling of 2551880 in words is "two million, five hundred fifty-one thousand, eight hundred eighty".