2045525133 has 4 divisors (see below), whose sum is σ = 2727366848. Its totient is φ = 1363683420.

The previous prime is 2045525087. The next prime is 2045525143. The reversal of 2045525133 is 3315255402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2045525133 - 2²⁰ = 2044476557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2045525133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045525143) 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, 340920853 + ... + 340920858.

It is an arithmetic number, because the mean of its divisors is an integer number (681841712).

Almost surely, 2^2045525133 is an apocalyptic number.

It is an amenable number.

2045525133 is a deficient number, since it is larger than the sum of its proper divisors (681841715).

2045525133 is an equidigital number, since it uses as much as digits as its factorization.

2045525133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681841714.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2045525133 is about 45227.4820546092. The cubic root of 2045525133 is about 1269.4090980816.

The spelling of 2045525133 in words is "two billion, forty-five million, five hundred twenty-five thousand, one hundred thirty-three".