2045412533 has 4 divisors (see below), whose sum is σ = 2078943948. Its totient is φ = 2011881120.

The previous prime is 2045412527. The next prime is 2045412539. The reversal of 2045412533 is 3352145402.

It is a happy number.

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 (2045412527) and next prime (2045412539).

It can be written as a sum of positive squares in 2 ways, for example, as 608016964 + 1437395569 = 24658^2 + 37913^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045412533 - 2⁸ = 2045412277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2045412496 and 2045412505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045412539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16765616 + ... + 16765737.

It is an arithmetic number, because the mean of its divisors is an integer number (519735987).

Almost surely, 2^2045412533 is an apocalyptic number.

It is an amenable number.

2045412533 is a deficient number, since it is larger than the sum of its proper divisors (33531415).

2045412533 is an equidigital number, since it uses as much as digits as its factorization.

2045412533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33531414.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2045412533 is about 45226.2372191187. The cubic root of 2045412533 is about 1269.3858052712.

Adding to 2045412533 its reverse (3352145402), we get a palindrome (5397557935).

The spelling of 2045412533 in words is "two billion, forty-five million, four hundred twelve thousand, five hundred thirty-three".