5111427 has 4 divisors (see below), whose sum is σ = 6815240. Its totient is φ = 3407616.

The previous prime is 5111423. The next prime is 5111459. The reversal of 5111427 is 7241115.

It is a happy number.

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

It is not a de Polignac number, because 5111427 - 2² = 5111423 is a prime.

It is a super-2 number, since 2×5111427² = 52253371952658, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

5111427 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5111423) 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, 851902 + ... + 851907.

It is an arithmetic number, because the mean of its divisors is an integer number (1703810).

Almost surely, 2^5111427 is an apocalyptic number.

5111427 is a deficient number, since it is larger than the sum of its proper divisors (1703813).

5111427 is a wasteful number, since it uses less digits than its factorization.

5111427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703812.

The product of its digits is 280, while the sum is 21.

The square root of 5111427 is about 2260.8465228759. The cubic root of 5111427 is about 172.2585237078.

The spelling of 5111427 in words is "five million, one hundred eleven thousand, four hundred twenty-seven".