2545844212 has 12 divisors (see below), whose sum is σ = 4456715620. Its totient is φ = 1272496896.

The previous prime is 2545844207. The next prime is 2545844251. The reversal of 2545844212 is 2124485452.

It can be written as a sum of positive squares in 2 ways, for example, as 859427856 + 1686416356 = 29316^2 + 41066^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92637 + ... + 116932.

Almost surely, 2^2545844212 is an apocalyptic number.

It is an amenable number.

2545844212 is a deficient number, since it is larger than the sum of its proper divisors (1910871408).

2545844212 is a wasteful number, since it uses less digits than its factorization.

2545844212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212610 (or 212608 counting only the distinct ones).

The product of its digits is 102400, while the sum is 37.

The square root of 2545844212 is about 50456.3594802479. The cubic root of 2545844212 is about 1365.4546311749.

The spelling of 2545844212 in words is "two billion, five hundred forty-five million, eight hundred forty-four thousand, two hundred twelve".