2533474165 has 4 divisors (see below), whose sum is σ = 3040169004. Its totient is φ = 2026779328.

The previous prime is 2533474121. The next prime is 2533474169. The reversal of 2533474165 is 5614743352.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 450373284 + 2083100881 = 21222^2 + 45641^2 .

It is a cyclic number.

It is not a de Polignac number, because 2533474165 - 2⁷ = 2533474037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2533474169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253347412 + ... + 253347421.

It is an arithmetic number, because the mean of its divisors is an integer number (760042251).

Almost surely, 2^2533474165 is an apocalyptic number.

It is an amenable number.

2533474165 is a deficient number, since it is larger than the sum of its proper divisors (506694839).

2533474165 is an equidigital number, since it uses as much as digits as its factorization.

2533474165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506694838.

The product of its digits is 302400, while the sum is 40.

The square root of 2533474165 is about 50333.6285697743. The cubic root of 2533474165 is about 1363.2394957695.

It can be divided in two parts, 25334 and 74165, that added together give a palindrome (99499).

The spelling of 2533474165 in words is "two billion, five hundred thirty-three million, four hundred seventy-four thousand, one hundred sixty-five".