5257818 has 16 divisors (see below), whose sum is σ = 11684160. Its totient is φ = 1752588.

The previous prime is 5257807. The next prime is 5257829. The reversal of 5257818 is 8187525.

It is an interprime number because it is at equal distance from previous prime (5257807) and next prime (5257829).

It is a super-2 number, since 2×5257818² = 55289300242248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48630 + ... + 48737.

It is an arithmetic number, because the mean of its divisors is an integer number (730260).

Almost surely, 2^5257818 is an apocalyptic number.

5257818 is an abundant number, since it is smaller than the sum of its proper divisors (6426342).

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

5257818 is a wasteful number, since it uses less digits than its factorization.

5257818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97378 (or 97372 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 5257818 is about 2292.9932402866. The cubic root of 5257818 is about 173.8875611269.

The spelling of 5257818 in words is "five million, two hundred fifty-seven thousand, eight hundred eighteen".