2574925609 has 4 divisors (see below), whose sum is σ = 2575100116. Its totient is φ = 2574751104.

The previous prime is 2574925603. The next prime is 2574925643. The reversal of 2574925609 is 9065294752.

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 2308322025 + 266603584 = 48045^2 + 16328^2 .

It is a cyclic number.

It is not a de Polignac number, because 2574925609 - 2⁷ = 2574925481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2574925603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62844 + ... + 95389.

It is an arithmetic number, because the mean of its divisors is an integer number (643775029).

Almost surely, 2^2574925609 is an apocalyptic number.

It is an amenable number.

2574925609 is a deficient number, since it is larger than the sum of its proper divisors (174507).

2574925609 is a wasteful number, since it uses less digits than its factorization.

2574925609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174506.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 2574925609 is about 50743.7248238637. The cubic root of 2574925609 is about 1370.6341939182.

The spelling of 2574925609 in words is "two billion, five hundred seventy-four million, nine hundred twenty-five thousand, six hundred nine".