5431220 has 24 divisors (see below), whose sum is σ = 11902464. Its totient is φ = 2077856.

The previous prime is 5431219. The next prime is 5431241. The reversal of 5431220 is 221345.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5444 + ... + 6363.

It is an arithmetic number, because the mean of its divisors is an integer number (495936).

Almost surely, 2^5431220 is an apocalyptic number.

It is an amenable number.

5431220 is an abundant number, since it is smaller than the sum of its proper divisors (6471244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5431220 is a wasteful number, since it uses less digits than its factorization.

5431220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11839 (or 11837 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 5431220 is about 2330.4978009001. The cubic root of 5431220 is about 175.7785178868.

Adding to 5431220 its reverse (221345), we get a palindrome (5652565).

The spelling of 5431220 in words is "five million, four hundred thirty-one thousand, two hundred twenty".