2522431 has 2 divisors, whose sum is σ = 2522432. Its totient is φ = 2522430.

The previous prime is 2522419. The next prime is 2522441. The reversal of 2522431 is 1342252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2522431 - 2⁹ = 2521919 is a prime.

It is a super-2 number, since 2×2522431² = 12725316299522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2522399 and 2522408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2522441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261215 + 1261216.

It is an arithmetic number, because the mean of its divisors is an integer number (1261216).

2^2522431 is an apocalyptic number.

2522431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2522431 is an equidigital number, since it uses as much as digits as its factorization.

2522431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 19.

The square root of 2522431 is about 1588.2162950933. The cubic root of 2522431 is about 136.1255868480.

Adding to 2522431 its reverse (1342252), we get a palindrome (3864683).

The spelling of 2522431 in words is "two million, five hundred twenty-two thousand, four hundred thirty-one".