2825191609 has 2 divisors, whose sum is σ = 2825191610. Its totient is φ = 2825191608.

The previous prime is 2825191561. The next prime is 2825191619. The reversal of 2825191609 is 9061915282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2779925625 + 45265984 = 52725^2 + 6728^2 .

It is a cyclic number.

It is not a de Polignac number, because 2825191609 - 2⁹ = 2825191097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2825191619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1412595804 + 1412595805.

It is an arithmetic number, because the mean of its divisors is an integer number (1412595805).

Almost surely, 2^2825191609 is an apocalyptic number.

It is an amenable number.

2825191609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2825191609 is an equidigital number, since it uses as much as digits as its factorization.

2825191609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 2825191609 is about 53152.5315389587. The cubic root of 2825191609 is about 1413.6741039960.

The spelling of 2825191609 in words is "two billion, eight hundred twenty-five million, one hundred ninety-one thousand, six hundred nine".