5278540 has 12 divisors (see below), whose sum is σ = 11084976. Its totient is φ = 2111408.

The previous prime is 5278529. The next prime is 5278541. The reversal of 5278540 is 458725.

It is not an unprimeable number, because it can be changed into a prime (5278541) 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, 131944 + ... + 131983.

It is an arithmetic number, because the mean of its divisors is an integer number (923748).

Almost surely, 2^5278540 is an apocalyptic number.

It is an amenable number.

5278540 is an abundant number, since it is smaller than the sum of its proper divisors (5806436).

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

5278540 is a wasteful number, since it uses less digits than its factorization.

5278540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263936 (or 263934 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 5278540 is about 2297.5073449284. The cubic root of 5278540 is about 174.1157023211.

It can be divided in two parts, 52785 and 40, that added together give a palindrome (52825).

The spelling of 5278540 in words is "five million, two hundred seventy-eight thousand, five hundred forty".