5242187 has 4 divisors (see below), whose sum is σ = 5247240. Its totient is φ = 5237136.

The previous prime is 5242169. The next prime is 5242199. The reversal of 5242187 is 7812425.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5242187 - 2⁸ = 5241931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5242117) 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, 338 + ... + 3255.

It is an arithmetic number, because the mean of its divisors is an integer number (1311810).

Almost surely, 2^5242187 is an apocalyptic number.

5242187 is a deficient number, since it is larger than the sum of its proper divisors (5053).

5242187 is a wasteful number, since it uses less digits than its factorization.

5242187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052.

The product of its digits is 4480, while the sum is 29.

The square root of 5242187 is about 2289.5822763116. The cubic root of 5242187 is about 173.7150729443.

The spelling of 5242187 in words is "five million, two hundred forty-two thousand, one hundred eighty-seven".