5257187 has 4 divisors (see below), whose sum is σ = 5661600. Its totient is φ = 4852776.

The previous prime is 5257171. The next prime is 5257201. The reversal of 5257187 is 7817525.

5257187 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 5257187 - 2⁴ = 5257171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5257117) 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, 202187 + ... + 202212.

It is an arithmetic number, because the mean of its divisors is an integer number (1415400).

Almost surely, 2^5257187 is an apocalyptic number.

5257187 is a deficient number, since it is larger than the sum of its proper divisors (404413).

5257187 is a wasteful number, since it uses less digits than its factorization.

5257187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404412.

The product of its digits is 19600, while the sum is 35.

The square root of 5257187 is about 2292.8556430792. The cubic root of 5257187 is about 173.8806046645.

The spelling of 5257187 in words is "five million, two hundred fifty-seven thousand, one hundred eighty-seven".