2533275805 has 4 divisors (see below), whose sum is σ = 3039930972. Its totient is φ = 2026620640.

The previous prime is 2533275793. The next prime is 2533275817. The reversal of 2533275805 is 5085723352.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2533275793) and next prime (2533275817).

It can be written as a sum of positive squares in 2 ways, for example, as 459202041 + 2074073764 = 21429^2 + 45542^2 .

It is not a de Polignac number, because 2533275805 - 2¹⁹ = 2532751517 is a prime.

It is a Smith number, since the sum of its digits (40) 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253327576 + ... + 253327585.

It is an arithmetic number, because the mean of its divisors is an integer number (759982743).

Almost surely, 2^2533275805 is an apocalyptic number.

It is an amenable number.

2533275805 is a deficient number, since it is larger than the sum of its proper divisors (506655167).

2533275805 is an equidigital number, since it uses as much as digits as its factorization.

2533275805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506655166.

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 2533275805 is about 50331.6580791851. The cubic root of 2533275805 is about 1363.2039162679.

The spelling of 2533275805 in words is "two billion, five hundred thirty-three million, two hundred seventy-five thousand, eight hundred five".