2481280 has 32 divisors (see below), whose sum is σ = 5933340. Its totient is φ = 992256.

The previous prime is 2481277. The next prime is 2481293. The reversal of 2481280 is 821842.

It can be written as a sum of positive squares in 2 ways, for example, as 2383936 + 97344 = 1544^2 + 312^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1299 + ... + 2578.

2^2481280 is an apocalyptic number.

2481280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2481280 is an abundant number, since it is smaller than the sum of its proper divisors (3452060).

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

2481280 is an equidigital number, since it uses as much as digits as its factorization.

2481280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896 (or 3884 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 2481280 is about 1575.2079227835. The cubic root of 2481280 is about 135.3812724328.

The spelling of 2481280 in words is "two million, four hundred eighty-one thousand, two hundred eighty".