2825985601 has 4 divisors (see below), whose sum is σ = 2826172804. Its totient is φ = 2825798400.

The previous prime is 2825985553. The next prime is 2825985607. The reversal of 2825985601 is 1065895282.

It is a Cunningham number, because it is equal to 53160²+1.

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 121881600 + 2704104001 = 11040^2 + 52001^2 .

It is a cyclic number.

It is not a de Polignac number, because 2825985601 - 2¹⁹ = 2825461313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2825985607) by changing a digit.

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, 68760 + ... + 101881.

It is an arithmetic number, because the mean of its divisors is an integer number (706543201).

Almost surely, 2^2825985601 is an apocalyptic number.

It is an amenable number.

2825985601 is a deficient number, since it is larger than the sum of its proper divisors (187203).

2825985601 is a wasteful number, since it uses less digits than its factorization.

2825985601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187202.

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 2825985601 is about 53160.0000094056. Note that the first 5 decimals coincide. The cubic root of 2825985601 is about 1413.8065246067.

The spelling of 2825985601 in words is "two billion, eight hundred twenty-five million, nine hundred eighty-five thousand, six hundred one".