2785195625 has 20 divisors (see below), whose sum is σ = 3489373668. Its totient is φ = 2222400000.

The previous prime is 2785195619. The next prime is 2785195687. The reversal of 2785195625 is 5265915872.

It can be written as a sum of positive squares in 10 ways, for example, as 2179395856 + 605799769 = 46684^2 + 24613^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2785195625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 245069 + ... + 256181.

Almost surely, 2^2785195625 is an apocalyptic number.

2785195625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2785195625 is a deficient number, since it is larger than the sum of its proper divisors (704178043).

2785195625 is an equidigital number, since it uses as much as digits as its factorization.

2785195625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11534 (or 11519 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 50.

The square root of 2785195625 is about 52774.9526290645. The cubic root of 2785195625 is about 1406.9712875902.

The spelling of 2785195625 in words is "two billion, seven hundred eighty-five million, one hundred ninety-five thousand, six hundred twenty-five".