5202042431 has 4 divisors (see below), whose sum is σ = 5206937232. Its totient is φ = 5197147632.

The previous prime is 5202042361. The next prime is 5202042437. The reversal of 5202042431 is 1342402025.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5202042431 is a prime.

It is a super-2 number, since 2×5202042431² = 54122490907848779522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5202042397 and 5202042406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5202042437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2445806 + ... + 2447931.

It is an arithmetic number, because the mean of its divisors is an integer number (1301734308).

Almost surely, 2^5202042431 is an apocalyptic number.

5202042431 is a deficient number, since it is larger than the sum of its proper divisors (4894801).

5202042431 is a wasteful number, since it uses less digits than its factorization.

5202042431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4894800.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 5202042431 is about 72125.1858299166. The cubic root of 5202042431 is about 1732.7050058120.

Adding to 5202042431 its reverse (1342402025), we get a palindrome (6544444456).

The spelling of 5202042431 in words is "five billion, two hundred two million, forty-two thousand, four hundred thirty-one".