5218127 has 4 divisors (see below), whose sum is σ = 5281080. Its totient is φ = 5155176.

The previous prime is 5218121. The next prime is 5218139. The reversal of 5218127 is 7218125.

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 5218127 - 2²⁰ = 4169551 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5218096 and 5218105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218121) 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, 31352 + ... + 31517.

It is an arithmetic number, because the mean of its divisors is an integer number (1320270).

Almost surely, 2^5218127 is an apocalyptic number.

5218127 is a deficient number, since it is larger than the sum of its proper divisors (62953).

5218127 is an equidigital number, since it uses as much as digits as its factorization.

5218127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62952.

The product of its digits is 1120, while the sum is 26.

The square root of 5218127 is about 2284.3220000692. The cubic root of 5218127 is about 173.4488993454.

The spelling of 5218127 in words is "five million, two hundred eighteen thousand, one hundred twenty-seven".