2545940547 has 12 divisors (see below), whose sum is σ = 3691144080. Its totient is φ = 1690982448.

The previous prime is 2545940543. The next prime is 2545940557. The reversal of 2545940547 is 7450495452.

2545940547 is a `hidden beast` number, since 2 + 5 + 4 + 594 + 0 + 54 + 7 = 666.

It is not a de Polignac number, because 2545940547 - 2² = 2545940543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545940543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 523383 + ... + 528224.

It is an arithmetic number, because the mean of its divisors is an integer number (307595340).

Almost surely, 2^2545940547 is an apocalyptic number.

2545940547 is a deficient number, since it is larger than the sum of its proper divisors (1145203533).

2545940547 is a wasteful number, since it uses less digits than its factorization.

2545940547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051882 (or 1051879 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The square root of 2545940547 is about 50457.3141080656. The cubic root of 2545940547 is about 1365.4718539377.

The spelling of 2545940547 in words is "two billion, five hundred forty-five million, nine hundred forty thousand, five hundred forty-seven".