2545878952 has 8 divisors (see below), whose sum is σ = 4773523050. Its totient is φ = 1272939472.

The previous prime is 2545878889. The next prime is 2545878953. The reversal of 2545878952 is 2598785452.

It can be written as a sum of positive squares in only one way, i.e., 2277771076 + 268107876 = 47726^2 + 16374^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2545878893 and 2545878902.

It is not an unprimeable number, because it can be changed into a prime (2545878953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159117427 + ... + 159117442.

Almost surely, 2^2545878952 is an apocalyptic number.

It is an amenable number.

2545878952 is a deficient number, since it is larger than the sum of its proper divisors (2227644098).

2545878952 is a wasteful number, since it uses less digits than its factorization.

2545878952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318234875 (or 318234871 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 55.

The square root of 2545878952 is about 50456.7037369664. The cubic root of 2545878952 is about 1365.4608420391.

The spelling of 2545878952 in words is "two billion, five hundred forty-five million, eight hundred seventy-eight thousand, nine hundred fifty-two".