2574564681 has 16 divisors (see below), whose sum is σ = 3712163840. Its totient is φ = 1577767680.

The previous prime is 2574564661. The next prime is 2574564703. The reversal of 2574564681 is 1864654752.

It is not a de Polignac number, because 2574564681 - 2¹¹ = 2574562633 is a prime.

It is a super-2 number, since 2×2574564681² = 13256766593305263522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2574564681.

It is not an unprimeable number, because it can be changed into a prime (2574564661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127561 + ... + 146358.

It is an arithmetic number, because the mean of its divisors is an integer number (232010240).

Almost surely, 2^2574564681 is an apocalyptic number.

It is an amenable number.

2574564681 is a deficient number, since it is larger than the sum of its proper divisors (1137599159).

2574564681 is a wasteful number, since it uses less digits than its factorization.

2574564681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274176.

The product of its digits is 1612800, while the sum is 48.

The square root of 2574564681 is about 50740.1683186014. The cubic root of 2574564681 is about 1370.5701502072.

The spelling of 2574564681 in words is "two billion, five hundred seventy-four million, five hundred sixty-four thousand, six hundred eighty-one".