5172890 has 8 divisors (see below), whose sum is σ = 9311220. Its totient is φ = 2069152.

The previous prime is 5172889. The next prime is 5172899. The reversal of 5172890 is 982715.

It can be written as a sum of positive squares in 2 ways, for example, as 4206601 + 966289 = 2051^2 + 983^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5172899) 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, 258635 + ... + 258654.

Almost surely, 2^5172890 is an apocalyptic number.

5172890 is a deficient number, since it is larger than the sum of its proper divisors (4138330).

5172890 is a wasteful number, since it uses less digits than its factorization.

5172890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517296.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 5172890 is about 2274.3988216669. The cubic root of 5172890 is about 172.9462227183.

The spelling of 5172890 in words is "five million, one hundred seventy-two thousand, eight hundred ninety".