2545878953 has 2 divisors, whose sum is σ = 2545878954. Its totient is φ = 2545878952.

The previous prime is 2545878889. The next prime is 2545878967. The reversal of 2545878953 is 3598785452.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1821838489 + 724040464 = 42683^2 + 26908^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545878953 - 2⁶ = 2545878889 is a prime.

It is not a weakly prime, because it can be changed into another prime (2545878353) 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 as a sum of consecutive naturals, namely, 1272939476 + 1272939477.

It is an arithmetic number, because the mean of its divisors is an integer number (1272939477).

Almost surely, 2^2545878953 is an apocalyptic number.

It is an amenable number.

2545878953 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545878953 is an equidigital number, since it uses as much as digits as its factorization.

2545878953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096000, while the sum is 56.

The square root of 2545878953 is about 50456.7037468759. The cubic root of 2545878953 is about 1365.4608422179.

The spelling of 2545878953 in words is "two billion, five hundred forty-five million, eight hundred seventy-eight thousand, nine hundred fifty-three".