5171994 has 12 divisors (see below), whose sum is σ = 11206026. Its totient is φ = 1723992.

The previous prime is 5171993. The next prime is 5172001. The reversal of 5171994 is 4991715.

It can be written as a sum of positive squares in only one way, i.e., 3515625 + 1656369 = 1875^2 + 1287^2 .

It is not an unprimeable number, because it can be changed into a prime (5171993) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 143649 + ... + 143684.

Almost surely, 2^5171994 is an apocalyptic number.

5171994 is an abundant number, since it is smaller than the sum of its proper divisors (6034032).

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

5171994 is a wasteful number, since it uses less digits than its factorization.

5171994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287341 (or 287338 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 5171994 is about 2274.2018380082. The cubic root of 5171994 is about 172.9362367618.

The spelling of 5171994 in words is "five million, one hundred seventy-one thousand, nine hundred ninety-four".