2805362253 has 12 divisors (see below), whose sum is σ = 4290554268. Its totient is φ = 1760227200.

The previous prime is 2805362243. The next prime is 2805362257. The reversal of 2805362253 is 3522635082.

2805362253 is a `hidden beast` number, since 28 + 0 + 5 + 3 + 622 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1191492324 + 1613869929 = 34518^2 + 40173^2 .

It is not a de Polignac number, because 2805362253 - 2⁵ = 2805362221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805362257) 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, 9167698 + ... + 9168003.

It is an arithmetic number, because the mean of its divisors is an integer number (357546189).

Almost surely, 2^2805362253 is an apocalyptic number.

It is an amenable number.

2805362253 is a deficient number, since it is larger than the sum of its proper divisors (1485192015).

2805362253 is a wasteful number, since it uses less digits than its factorization.

2805362253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18335724 (or 18335721 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 2805362253 is about 52965.6705140226. The cubic root of 2805362253 is about 1410.3589202470.

The spelling of 2805362253 in words is "two billion, eight hundred five million, three hundred sixty-two thousand, two hundred fifty-three".