2573006681 has 16 divisors (see below), whose sum is σ = 3019991040. Its totient is φ = 2146402320.

The previous prime is 2573006663. The next prime is 2573006693. The reversal of 2573006681 is 1866003752.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2573006681 is a prime.

It is a super-2 number, since 2×2573006681² = 13240726760941271522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2573006281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37046 + ... + 80736.

It is an arithmetic number, because the mean of its divisors is an integer number (188749440).

Almost surely, 2^2573006681 is an apocalyptic number.

It is an amenable number.

2573006681 is a deficient number, since it is larger than the sum of its proper divisors (446984359).

2573006681 is a wasteful number, since it uses less digits than its factorization.

2573006681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43924.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 2573006681 is about 50724.8132672758. The cubic root of 2573006681 is about 1370.2936271908.

The spelling of 2573006681 in words is "two billion, five hundred seventy-three million, six thousand, six hundred eighty-one".