2549461 has 2 divisors, whose sum is σ = 2549462. Its totient is φ = 2549460.

The previous prime is 2549453. The next prime is 2549479. The reversal of 2549461 is 1649452.

2549461 is nontrivially palindromic in base 9.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2280100 + 269361 = 1510^2 + 519^2 .

It is a cyclic number.

It is not a de Polignac number, because 2549461 - 2³ = 2549453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2549431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274730 + 1274731.

It is an arithmetic number, because the mean of its divisors is an integer number (1274731).

2^2549461 is an apocalyptic number.

It is an amenable number.

2549461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2549461 is an equidigital number, since it uses as much as digits as its factorization.

2549461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 2549461 is about 1596.7031659015. The cubic root of 2549461 is about 136.6100942402.

Subtracting from 2549461 its reverse (1649452), we obtain a palindrome (900009).

The spelling of 2549461 in words is "two million, five hundred forty-nine thousand, four hundred sixty-one".