2785325231 has 16 divisors (see below), whose sum is σ = 3230976000. Its totient is φ = 2379944160.

The previous prime is 2785325227. The next prime is 2785325251. The reversal of 2785325231 is 1325235872.

It is a cyclic number.

It is not a de Polignac number, because 2785325231 - 2² = 2785325227 is a prime.

It is a super-2 number, since 2×2785325231² = 15516073284890406722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2785325251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140981 + ... + 159518.

It is an arithmetic number, because the mean of its divisors is an integer number (201936000).

Almost surely, 2^2785325231 is an apocalyptic number.

2785325231 is a deficient number, since it is larger than the sum of its proper divisors (445650769).

2785325231 is a wasteful number, since it uses less digits than its factorization.

2785325231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300566.

The product of its digits is 100800, while the sum is 38.

The square root of 2785325231 is about 52776.1805268248. The cubic root of 2785325231 is about 1406.9931112030.

The spelling of 2785325231 in words is "two billion, seven hundred eighty-five million, three hundred twenty-five thousand, two hundred thirty-one".