2545878954 has 16 divisors (see below), whose sum is σ = 5102808480. Its totient is φ = 846784560.

The previous prime is 2545878953. The next prime is 2545878967. The reversal of 2545878954 is 4598785452.

It is a junction number, because it is equal to n+sod(n) for n = 2545878894 and 2545878903.

It is not an unprimeable number, because it can be changed into a prime (2545878953) 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 7 ways as a sum of consecutive naturals, for example, 457444 + ... + 462975.

It is an arithmetic number, because the mean of its divisors is an integer number (318925530).

Almost surely, 2^2545878954 is an apocalyptic number.

2545878954 is an abundant number, since it is smaller than the sum of its proper divisors (2556929526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2545878954 is a wasteful number, since it uses less digits than its factorization.

2545878954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920885.

The product of its digits is 16128000, while the sum is 57.

The square root of 2545878954 is about 50456.7037567854. The cubic root of 2545878954 is about 1365.4608423967.

The spelling of 2545878954 in words is "two billion, five hundred forty-five million, eight hundred seventy-eight thousand, nine hundred fifty-four".