2475280 has 20 divisors (see below), whose sum is σ = 5755212. Its totient is φ = 990080.

The previous prime is 2475269. The next prime is 2475287. The reversal of 2475280 is 825742.

It can be written as a sum of positive squares in 2 ways, for example, as 795664 + 1679616 = 892^2 + 1296^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×2475280² = 12254022156800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2475287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15391 + ... + 15550.

2^2475280 is an apocalyptic number.

2475280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2475280 is an abundant number, since it is smaller than the sum of its proper divisors (3279932).

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

2475280 is a wasteful number, since it uses less digits than its factorization.

2475280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30954 (or 30948 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2475280 is about 1573.3022595801. The cubic root of 2475280 is about 135.2720622337.

The spelling of 2475280 in words is "two million, four hundred seventy-five thousand, two hundred eighty".