5157818 has 8 divisors (see below), whose sum is σ = 7758912. Its totient is φ = 2571516.

The previous prime is 5157793. The next prime is 5157821. The reversal of 5157818 is 8187515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5157818² = 53206173042248, which contains 22 as substring.

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, 2780 + ... + 4247.

It is an arithmetic number, because the mean of its divisors is an integer number (969864).

Almost surely, 2^5157818 is an apocalyptic number.

5157818 is a deficient number, since it is larger than the sum of its proper divisors (2601094).

5157818 is a wasteful number, since it uses less digits than its factorization.

5157818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7396.

The product of its digits is 11200, while the sum is 35.

The square root of 5157818 is about 2271.0830015656. The cubic root of 5157818 is about 172.7780909652.

The spelling of 5157818 in words is "five million, one hundred fifty-seven thousand, eight hundred eighteen".