5220431 has 8 divisors (see below), whose sum is σ = 5505024. Its totient is φ = 4943160.

The previous prime is 5220427. The next prime is 5220463. The reversal of 5220431 is 1340225.

5220431 = 310² + 311² + ... + 356².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5220431 - 2² = 5220427 is a prime.

It is a super-2 number, since 2×5220431² = 54505799651522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335 + ... + 3248.

It is an arithmetic number, because the mean of its divisors is an integer number (688128).

Almost surely, 2^5220431 is an apocalyptic number.

5220431 is a deficient number, since it is larger than the sum of its proper divisors (284593).

5220431 is a wasteful number, since it uses less digits than its factorization.

5220431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661.

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

The square root of 5220431 is about 2284.8262515999. The cubic root of 5220431 is about 173.4744236675.

Adding to 5220431 its reverse (1340225), we get a palindrome (6560656).

The spelling of 5220431 in words is "five million, two hundred twenty thousand, four hundred thirty-one".