5221031 has 4 divisors (see below), whose sum is σ = 5287200. Its totient is φ = 5154864.

The previous prime is 5221019. The next prime is 5221039. The reversal of 5221031 is 1301225.

5221031 = T₁₇₄ + T₁₇₅ + ... + T₃₃₁.

It is a happy number.

5221031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5221031 is a prime.

It is a super-2 number, since 2×5221031² = 54518329405922, 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 = 5220997 and 5221015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221039) 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, 32966 + ... + 33123.

It is an arithmetic number, because the mean of its divisors is an integer number (1321800).

Almost surely, 2^5221031 is an apocalyptic number.

5221031 is a deficient number, since it is larger than the sum of its proper divisors (66169).

5221031 is an equidigital number, since it uses as much as digits as its factorization.

5221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66168.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 5221031 is about 2284.9575488398. The cubic root of 5221031 is about 173.4810693938.

Adding to 5221031 its reverse (1301225), we get a palindrome (6522256).

The spelling of 5221031 in words is "five million, two hundred twenty-one thousand, thirty-one".