2533261145 has 4 divisors (see below), whose sum is σ = 3039913380. Its totient is φ = 2026608912.

The previous prime is 2533261121. The next prime is 2533261151. The reversal of 2533261145 is 5411623352.

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 1310150416 + 1223110729 = 36196^2 + 34973^2 .

It is a cyclic number.

It is not a de Polignac number, because 2533261145 - 2²⁰ = 2532212569 is a prime.

It is a super-2 number, since 2×2533261145² = 12834824057533422050, which contains 22 as substring.

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, 253326110 + ... + 253326119.

It is an arithmetic number, because the mean of its divisors is an integer number (759978345).

Almost surely, 2^2533261145 is an apocalyptic number.

It is an amenable number.

2533261145 is a deficient number, since it is larger than the sum of its proper divisors (506652235).

2533261145 is an equidigital number, since it uses as much as digits as its factorization.

2533261145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506652234.

The product of its digits is 21600, while the sum is 32.

The square root of 2533261145 is about 50331.5124449882. The cubic root of 2533261145 is about 1363.2012866545.

Adding to 2533261145 its reverse (5411623352), we get a palindrome (7944884497).

The spelling of 2533261145 in words is "two billion, five hundred thirty-three million, two hundred sixty-one thousand, one hundred forty-five".