2570325385 has 4 divisors (see below), whose sum is σ = 3084390468. Its totient is φ = 2056260304.

The previous prime is 2570325367. The next prime is 2570325409. The reversal of 2570325385 is 5835230752.

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 1566893056 + 1003432329 = 39584^2 + 31677^2 .

It is a cyclic number.

It is not a de Polignac number, because 2570325385 - 2⁷ = 2570325257 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257032534 + ... + 257032543.

It is an arithmetic number, because the mean of its divisors is an integer number (771097617).

Almost surely, 2^2570325385 is an apocalyptic number.

It is an amenable number.

2570325385 is a deficient number, since it is larger than the sum of its proper divisors (514065083).

2570325385 is an equidigital number, since it uses as much as digits as its factorization.

2570325385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514065082.

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 2570325385 is about 50698.3765519173. The cubic root of 2570325385 is about 1369.8174735073.

The spelling of 2570325385 in words is "two billion, five hundred seventy million, three hundred twenty-five thousand, three hundred eighty-five".