2544457 has 2 divisors, whose sum is σ = 2544458. Its totient is φ = 2544456.

The previous prime is 2544403. The next prime is 2544463. The reversal of 2544457 is 7544452.

2544457 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., 1990921 + 553536 = 1411^2 + 744^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2544457 is a prime.

It is a super-2 number, since 2×2544457² = 12948522849698, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁹ + 5³ + 4² + 4⁵ + 4⁸ + 5⁹ + 7³ .

It is not a weakly prime, because it can be changed into another prime (2544497) 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, 1272228 + 1272229.

It is an arithmetic number, because the mean of its divisors is an integer number (1272229).

2^2544457 is an apocalyptic number.

It is an amenable number.

2544457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544457 is an equidigital number, since it uses as much as digits as its factorization.

2544457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22400, while the sum is 31.

The square root of 2544457 is about 1595.1354174489. The cubic root of 2544457 is about 136.5206577348.

It can be divided in two parts, 254445 and 7, that added together give a palindrome (254452).

The spelling of 2544457 in words is "two million, five hundred forty-four thousand, four hundred fifty-seven".