2546281 has 2 divisors, whose sum is σ = 2546282. Its totient is φ = 2546280.

The previous prime is 2546267. The next prime is 2546293. The reversal of 2546281 is 1826452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2205225 + 341056 = 1485^2 + 584^2 .

It is a cyclic number.

It is not a de Polignac number, because 2546281 - 2⁹ = 2545769 is a prime.

It is a super-2 number, since 2×2546281² = 12967093861922, which contains 22 as substring.

It is a Chen prime.

2546281 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2546231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273140 + 1273141.

It is an arithmetic number, because the mean of its divisors is an integer number (1273141).

2^2546281 is an apocalyptic number.

It is an amenable number.

2546281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2546281 is an equidigital number, since it uses as much as digits as its factorization.

2546281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 28.

The square root of 2546281 is about 1595.7070533152. The cubic root of 2546281 is about 136.5532716614.

The spelling of 2546281 in words is "two million, five hundred forty-six thousand, two hundred eighty-one".