5131268 has 6 divisors (see below), whose sum is σ = 8979726. Its totient is φ = 2565632.

The previous prime is 5131267. The next prime is 5131283. The reversal of 5131268 is 8621315.

It can be written as a sum of positive squares in only one way, i.e., 3034564 + 2096704 = 1742^2 + 1448^2 .

It is a super-2 number, since 2×5131268² = 52659822575648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5131267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641405 + ... + 641412.

It is an arithmetic number, because the mean of its divisors is an integer number (1496621).

Almost surely, 2^5131268 is an apocalyptic number.

It is an amenable number.

5131268 is a deficient number, since it is larger than the sum of its proper divisors (3848458).

5131268 is a wasteful number, since it uses less digits than its factorization.

5131268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282821 (or 1282819 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 5131268 is about 2265.2302311244. The cubic root of 5131268 is about 172.4811209473.

The spelling of 5131268 in words is "five million, one hundred thirty-one thousand, two hundred sixty-eight".