2575925809 has 2 divisors, whose sum is σ = 2575925810. Its totient is φ = 2575925808.

The previous prime is 2575925801. The next prime is 2575925839. The reversal of 2575925809 is 9085295752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2351765025 + 224160784 = 48495^2 + 14972^2 .

It is a cyclic number.

It is not a de Polignac number, because 2575925809 - 2³ = 2575925801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2575925801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1287962904 + 1287962905.

It is an arithmetic number, because the mean of its divisors is an integer number (1287962905).

Almost surely, 2^2575925809 is an apocalyptic number.

It is an amenable number.

2575925809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2575925809 is an equidigital number, since it uses as much as digits as its factorization.

2575925809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268000, while the sum is 52.

The square root of 2575925809 is about 50753.5792727961. The cubic root of 2575925809 is about 1370.8116399319.

The spelling of 2575925809 in words is "two billion, five hundred seventy-five million, nine hundred twenty-five thousand, eight hundred nine".