2546081 has 4 divisors (see below), whose sum is σ = 2614932. Its totient is φ = 2477232.

The previous prime is 2546051. The next prime is 2546083. The reversal of 2546081 is 1806452.

2546081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2430481 + 115600 = 1559^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 2546081 - 2⁶ = 2546017 is a prime.

It is a super-2 number, since 2×2546081² = 12965056917122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 2546081.

It is not an unprimeable number, because it can be changed into a prime (2546083) 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 in 3 ways as a sum of consecutive naturals, for example, 34370 + ... + 34443.

It is an arithmetic number, because the mean of its divisors is an integer number (653733).

2^2546081 is an apocalyptic number.

It is an amenable number.

2546081 is a deficient number, since it is larger than the sum of its proper divisors (68851).

2546081 is an equidigital number, since it uses as much as digits as its factorization.

2546081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68850.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2546081 is about 1595.6443839402. The cubic root of 2546081 is about 136.5496963334.

The spelling of 2546081 in words is "two million, five hundred forty-six thousand, eighty-one".