5205431 has 16 divisors (see below), whose sum is σ = 6593280. Its totient is φ = 3991680.

The previous prime is 5205407. The next prime is 5205433. The reversal of 5205431 is 1345025.

It is not a de Polignac number, because 5205431 - 2⁶ = 5205367 is a prime.

It is a super-2 number, since 2×5205431² = 54193023791522, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205433) 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, 4655 + ... + 5663.

It is an arithmetic number, because the mean of its divisors is an integer number (412080).

Almost surely, 2^5205431 is an apocalyptic number.

5205431 is a deficient number, since it is larger than the sum of its proper divisors (1387849).

5205431 is a wasteful number, since it uses less digits than its factorization.

5205431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 5205431 is about 2281.5413649548. The cubic root of 5205431 is about 173.3081147565.

The spelling of 5205431 in words is "five million, two hundred five thousand, four hundred thirty-one".