2522543431 has 4 divisors (see below), whose sum is σ = 2563896664. Its totient is φ = 2481190200.

The previous prime is 2522543411. The next prime is 2522543437. The reversal of 2522543431 is 1343452252.

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 2522543431 - 2²³ = 2514154823 is a prime.

It is a super-2 number, since 2×2522543431² = 12726450722562503522, 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 = 2522543393 and 2522543402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522543437) 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, 20676525 + ... + 20676646.

It is an arithmetic number, because the mean of its divisors is an integer number (640974166).

Almost surely, 2^2522543431 is an apocalyptic number.

2522543431 is a deficient number, since it is larger than the sum of its proper divisors (41353233).

2522543431 is an equidigital number, since it uses as much as digits as its factorization.

2522543431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41353232.

The product of its digits is 28800, while the sum is 31.

The square root of 2522543431 is about 50224.9283822287. The cubic root of 2522543431 is about 1361.2760930283.

Adding to 2522543431 its reverse (1343452252), we get a palindrome (3865995683).

The spelling of 2522543431 in words is "two billion, five hundred twenty-two million, five hundred forty-three thousand, four hundred thirty-one".