2545112547 has 6 divisors (see below), whose sum is σ = 3676273692. Its totient is φ = 1696741692.

The previous prime is 2545112543. The next prime is 2545112561. The reversal of 2545112547 is 7452115452.

2545112547 is a `hidden beast` number, since 2 + 54 + 51 + 12 + 547 = 666.

It is not a de Polignac number, because 2545112547 - 2² = 2545112543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545112543) 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 5 ways as a sum of consecutive naturals, for example, 141395133 + ... + 141395150.

It is an arithmetic number, because the mean of its divisors is an integer number (612712282).

Almost surely, 2^2545112547 is an apocalyptic number.

2545112547 is a deficient number, since it is larger than the sum of its proper divisors (1131161145).

2545112547 is a wasteful number, since it uses less digits than its factorization.

2545112547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282790289 (or 282790286 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 2545112547 is about 50449.1084856809. The cubic root of 2545112547 is about 1365.3238099878.

Adding to 2545112547 its reverse (7452115452), we get a palindrome (9997227999).

The spelling of 2545112547 in words is "two billion, five hundred forty-five million, one hundred twelve thousand, five hundred forty-seven".