2785160225 has 12 divisors (see below), whose sum is σ = 3454491696. Its totient is φ = 2227552080.

The previous prime is 2785160221. The next prime is 2785160243. The reversal of 2785160225 is 5220615872.

It is not a de Polignac number, because 2785160225 - 2² = 2785160221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2785160221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102974 + ... + 127176.

It is an arithmetic number, because the mean of its divisors is an integer number (287874308).

Almost surely, 2^2785160225 is an apocalyptic number.

2785160225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2785160225 is a deficient number, since it is larger than the sum of its proper divisors (669331471).

2785160225 is a wasteful number, since it uses less digits than its factorization.

2785160225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28816 (or 28811 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 2785160225 is about 52774.6172416248. The cubic root of 2785160225 is about 1406.9653266691.

The spelling of 2785160225 in words is "two billion, seven hundred eighty-five million, one hundred sixty thousand, two hundred twenty-five".