2477281 has 2 divisors, whose sum is σ = 2477282. Its totient is φ = 2477280.

The previous prime is 2477263. The next prime is 2477297. The reversal of 2477281 is 1827742.

2477281 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., 2433600 + 43681 = 1560^2 + 209^2 .

It is a cyclic number.

It is not a de Polignac number, because 2477281 - 2⁵ = 2477249 is a prime.

It is a super-2 number, since 2×2477281² = 12273842305922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2477231) 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, 1238640 + 1238641.

It is an arithmetic number, because the mean of its divisors is an integer number (1238641).

2^2477281 is an apocalyptic number.

It is an amenable number.

2477281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2477281 is an equidigital number, since it uses as much as digits as its factorization.

2477281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6272, while the sum is 31.

The square root of 2477281 is about 1573.9380546896. The cubic root of 2477281 is about 135.3085034297.

The spelling of 2477281 in words is "two million, four hundred seventy-seven thousand, two hundred eighty-one".