2505250278 has 48 divisors (see below), whose sum is σ = 5492869200. Its totient is φ = 825151488.

The previous prime is 2505250277. The next prime is 2505250303. The reversal of 2505250278 is 8720525052.

2505250278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505250273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 863326 + ... + 866222.

It is an arithmetic number, because the mean of its divisors is an integer number (114434775).

Almost surely, 2^2505250278 is an apocalyptic number.

2505250278 is an abundant number, since it is smaller than the sum of its proper divisors (2987618922).

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

2505250278 is a wasteful number, since it uses less digits than its factorization.

2505250278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461 (or 3458 counting only the distinct ones).

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

The square root of 2505250278 is about 50052.4752434882. The cubic root of 2505250278 is about 1358.1582404426.

The spelling of 2505250278 in words is "two billion, five hundred five million, two hundred fifty thousand, two hundred seventy-eight".