5127231 has 4 divisors (see below), whose sum is σ = 6836312. Its totient is φ = 3418152.

The previous prime is 5127203. The next prime is 5127247. The reversal of 5127231 is 1327215.

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

It is not a de Polignac number, because 5127231 - 2⁷ = 5127103 is a prime.

It is a super-2 number, since 2×5127231² = 52576995454722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5127198 and 5127207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120231) 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, 854536 + ... + 854541.

It is an arithmetic number, because the mean of its divisors is an integer number (1709078).

Almost surely, 2^5127231 is an apocalyptic number.

5127231 is a deficient number, since it is larger than the sum of its proper divisors (1709081).

5127231 is a wasteful number, since it uses less digits than its factorization.

5127231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709080.

The product of its digits is 420, while the sum is 21.

The square root of 5127231 is about 2264.3389763902. The cubic root of 5127231 is about 172.4358761871.

The spelling of 5127231 in words is "five million, one hundred twenty-seven thousand, two hundred thirty-one".