2469281 has 2 divisors, whose sum is σ = 2469282. Its totient is φ = 2469280.

The previous prime is 2469277. The next prime is 2469283. The reversal of 2469281 is 1829642.

2469281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2235025 + 234256 = 1495^2 + 484^2 .

It is a cyclic number.

It is not a de Polignac number, because 2469281 - 2² = 2469277 is a prime.

It is a super-2 number, since 2×2469281² = 12194697313922, which contains 22 as substring.

Together with 2469283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2469283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1234640 + 1234641.

It is an arithmetic number, because the mean of its divisors is an integer number (1234641).

2^2469281 is an apocalyptic number.

It is an amenable number.

2469281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2469281 is an equidigital number, since it uses as much as digits as its factorization.

2469281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 2469281 is about 1571.3946035290. The cubic root of 2469281 is about 135.1626936563.

The spelling of 2469281 in words is "two million, four hundred sixty-nine thousand, two hundred eighty-one".