5421031 has 16 divisors (see below), whose sum is σ = 7054848. Its totient is φ = 4039200.

The previous prime is 5421019. The next prime is 5421043. The reversal of 5421031 is 1301245.

5421031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5421019) and next prime (5421043).

It is not a de Polignac number, because 5421031 - 2¹³ = 5412839 is a prime.

It is a super-2 number, since 2×5421031² = 58775154205922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

5421031 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5420996 and 5421014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241 + ... + 3301.

It is an arithmetic number, because the mean of its divisors is an integer number (440928).

Almost surely, 2^5421031 is an apocalyptic number.

5421031 is a deficient number, since it is larger than the sum of its proper divisors (1633817).

5421031 is a wasteful number, since it uses less digits than its factorization.

5421031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 5421031 is about 2328.3107610454. The cubic root of 5421031 is about 175.6685285739.

Adding to 5421031 its reverse (1301245), we get a palindrome (6722276).

The spelling of 5421031 in words is "five million, four hundred twenty-one thousand, thirty-one".