5255240 has 16 divisors (see below), whose sum is σ = 11824380. Its totient is φ = 2102080.

The previous prime is 5255233. The next prime is 5255251. The reversal of 5255240 is 425525.

It can be written as a sum of positive squares in 2 ways, for example, as 5080516 + 174724 = 2254^2 + 418^2 .

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, 65651 + ... + 65730.

Almost surely, 2^5255240 is an apocalyptic number.

It is an amenable number.

5255240 is an abundant number, since it is smaller than the sum of its proper divisors (6569140).

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

5255240 is a wasteful number, since it uses less digits than its factorization.

5255240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131392 (or 131388 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 5255240 is about 2292.4310240441. The cubic root of 5255240 is about 173.8591364446.

The spelling of 5255240 in words is "five million, two hundred fifty-five thousand, two hundred forty".