5257198 has 4 divisors (see below), whose sum is σ = 7885800. Its totient is φ = 2628598.

The previous prime is 5257171. The next prime is 5257201. The reversal of 5257198 is 8917525.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×5257198² = 55276261622408, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314298 + ... + 1314301.

It is an arithmetic number, because the mean of its divisors is an integer number (1971450).

Almost surely, 2^5257198 is an apocalyptic number.

5257198 is a deficient number, since it is larger than the sum of its proper divisors (2628602).

5257198 is a wasteful number, since it uses less digits than its factorization.

5257198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628601.

The product of its digits is 25200, while the sum is 37.

The square root of 5257198 is about 2292.8580418334. The cubic root of 5257198 is about 173.8807259388.

The spelling of 5257198 in words is "five million, two hundred fifty-seven thousand, one hundred ninety-eight".