2546425445 has 4 divisors (see below), whose sum is σ = 3055710540. Its totient is φ = 2037140352.

The previous prime is 2546425423. The next prime is 2546425447. The reversal of 2546425445 is 5445246452.

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 1350856516 + 1195568929 = 36754^2 + 34577^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2546425445 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2546425447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254642540 + ... + 254642549.

It is an arithmetic number, because the mean of its divisors is an integer number (763927635).

Almost surely, 2^2546425445 is an apocalyptic number.

It is an amenable number.

2546425445 is a deficient number, since it is larger than the sum of its proper divisors (509285095).

2546425445 is an equidigital number, since it uses as much as digits as its factorization.

2546425445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509285094.

The product of its digits is 768000, while the sum is 41.

The square root of 2546425445 is about 50462.1189111199. The cubic root of 2546425445 is about 1365.5585373628.

The spelling of 2546425445 in words is "two billion, five hundred forty-six million, four hundred twenty-five thousand, four hundred forty-five".