5240243431 has 4 divisors (see below), whose sum is σ = 5275413000. Its totient is φ = 5205073864.

The previous prime is 5240243413. The next prime is 5240243543. The reversal of 5240243431 is 1343420425.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5240243431 - 2⁵ = 5240243399 is a prime.

It is a super-2 number, since 2×5240243431² = 54920302432277303522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5240243431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5240241431) 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, 17584561 + ... + 17584858.

It is an arithmetic number, because the mean of its divisors is an integer number (1318853250).

Almost surely, 2^5240243431 is an apocalyptic number.

5240243431 is a deficient number, since it is larger than the sum of its proper divisors (35169569).

5240243431 is a wasteful number, since it uses less digits than its factorization.

5240243431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35169568.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 5240243431 is about 72389.5256995099. The cubic root of 5240243431 is about 1736.9360169160.

Adding to 5240243431 its reverse (1343420425), we get a palindrome (6583663856).

The spelling of 5240243431 in words is "five billion, two hundred forty million, two hundred forty-three thousand, four hundred thirty-one".