2287185853 has 2 divisors, whose sum is σ = 2287185854. Its totient is φ = 2287185852.

The previous prime is 2287185851. The next prime is 2287185893. The reversal of 2287185853 is 3585817822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2044667524 + 242518329 = 45218^2 + 15573^2 .

It is a cyclic number.

It is not a de Polignac number, because 2287185853 - 2¹ = 2287185851 is a prime.

Together with 2287185851, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2287185797 and 2287185806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2287185851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143592926 + 1143592927.

It is an arithmetic number, because the mean of its divisors is an integer number (1143592927).

Almost surely, 2^2287185853 is an apocalyptic number.

It is an amenable number.

2287185853 is a deficient number, since it is larger than the sum of its proper divisors (1).

2287185853 is an equidigital number, since it uses as much as digits as its factorization.

2287185853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1075200, while the sum is 49.

The square root of 2287185853 is about 47824.5319161620. The cubic root of 2287185853 is about 1317.5501416729.

The spelling of 2287185853 in words is "two billion, two hundred eighty-seven million, one hundred eighty-five thousand, eight hundred fifty-three".