2494561 has 2 divisors, whose sum is σ = 2494562. Its totient is φ = 2494560.

The previous prime is 2494553. The next prime is 2494571. The reversal of 2494561 is 1654942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1782225 + 712336 = 1335^2 + 844^2 .

It is a cyclic number.

It is not a de Polignac number, because 2494561 - 2³ = 2494553 is a prime.

It is not a weakly prime, because it can be changed into another prime (2494571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247280 + 1247281.

It is an arithmetic number, because the mean of its divisors is an integer number (1247281).

2^2494561 is an apocalyptic number.

It is an amenable number.

2494561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2494561 is an equidigital number, since it uses as much as digits as its factorization.

2494561 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 2494561 is about 1579.4179307580. The cubic root of 2494561 is about 135.6223845829.

The spelling of 2494561 in words is "two million, four hundred ninety-four thousand, five hundred sixty-one".