5031021 has 16 divisors (see below), whose sum is σ = 7077888. Its totient is φ = 3174000.

The previous prime is 5031017. The next prime is 5031023. The reversal of 5031021 is 1201305.

It is not a de Polignac number, because 5031021 - 2² = 5031017 is a prime.

It is a super-2 number, since 2×5031021² = 50622344604882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5030988 and 5031006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5031023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3796 + ... + 4946.

It is an arithmetic number, because the mean of its divisors is an integer number (442368).

Almost surely, 2^5031021 is an apocalyptic number.

It is an amenable number.

5031021 is a deficient number, since it is larger than the sum of its proper divisors (2046867).

5031021 is a wasteful number, since it uses less digits than its factorization.

5031021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 5031021 is about 2242.9937583507. The cubic root of 5031021 is about 171.3505002641.

Adding to 5031021 its reverse (1201305), we get a palindrome (6232326).

The spelling of 5031021 in words is "five million, thirty-one thousand, twenty-one".