5111872 has 14 divisors (see below), whose sum is σ = 10143998. Its totient is φ = 2555904.

The previous prime is 5111837. The next prime is 5111879. The reversal of 5111872 is 2781115.

It can be written as a sum of positive squares in only one way, i.e., 3326976 + 1784896 = 1824^2 + 1336^2 .

It is a super-2 number, since 2×5111872² = 52262470688768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5111879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39873 + ... + 40000.

Almost surely, 2^5111872 is an apocalyptic number.

It is an amenable number.

5111872 is a deficient number, since it is larger than the sum of its proper divisors (5032126).

5111872 is an equidigital number, since it uses as much as digits as its factorization.

5111872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79885 (or 79875 counting only the distinct ones).

The product of its digits is 560, while the sum is 25.

The square root of 5111872 is about 2260.9449351986. The cubic root of 5111872 is about 172.2635224957.

Adding to 5111872 its reverse (2781115), we get a palindrome (7892987).

The spelling of 5111872 in words is "five million, one hundred eleven thousand, eight hundred seventy-two".