5111321 has 4 divisors (see below), whose sum is σ = 5133492. Its totient is φ = 5089152.

The previous prime is 5111317. The next prime is 5111341. The reversal of 5111321 is 1231115.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1231115 = 5 ⋅246223.

It can be written as a sum of positive squares in 2 ways, for example, as 929296 + 4182025 = 964^2 + 2045^2 .

It is a cyclic number.

It is not a de Polignac number, because 5111321 - 2² = 5111317 is a prime.

It is a super-2 number, since 2×5111321² = 52251204730082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5111296 and 5111305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111341) 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, 10736 + ... + 11201.

It is an arithmetic number, because the mean of its divisors is an integer number (1283373).

Almost surely, 2^5111321 is an apocalyptic number.

It is an amenable number.

5111321 is a deficient number, since it is larger than the sum of its proper divisors (22171).

5111321 is a wasteful number, since it uses less digits than its factorization.

5111321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22170.

The product of its digits is 30, while the sum is 14.

The square root of 5111321 is about 2260.8230802077. The cubic root of 5111321 is about 172.2573329425.

Adding to 5111321 its reverse (1231115), we get a palindrome (6342436).

The spelling of 5111321 in words is "five million, one hundred eleven thousand, three hundred twenty-one".