2543422601 has 2 divisors, whose sum is σ = 2543422602. Its totient is φ = 2543422600.

The previous prime is 2543422561. The next prime is 2543422613. The reversal of 2543422601 is 1062243452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1650309376 + 893113225 = 40624^2 + 29885^2 .

It is a cyclic number.

It is not a de Polignac number, because 2543422601 - 2²⁶ = 2476313737 is a prime.

It is not a weakly prime, because it can be changed into another prime (2543422801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271711300 + 1271711301.

It is an arithmetic number, because the mean of its divisors is an integer number (1271711301).

Almost surely, 2^2543422601 is an apocalyptic number.

It is an amenable number.

2543422601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543422601 is an equidigital number, since it uses as much as digits as its factorization.

2543422601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2543422601 is about 50432.3566869525. The cubic root of 2543422601 is about 1365.0215529700.

The spelling of 2543422601 in words is "two billion, five hundred forty-three million, four hundred twenty-two thousand, six hundred one".