2505250525278 has 8 divisors (see below), whose sum is σ = 5010501050568. Its totient is φ = 835083508424.

The previous prime is 2505250525249. The next prime is 2505250525279. The reversal of 2505250525278 is 8725250525052.

It is a sphenic number, since it is the product of 3 distinct primes.

2505250525278 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505250525279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208770877101 + ... + 208770877112.

It is an arithmetic number, because the mean of its divisors is an integer number (626312631321).

Almost surely, 2^{2505250525278} is an apocalyptic number.

2505250525278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2505250525278 is a wasteful number, since it uses less digits than its factorization.

2505250525278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417541754218.

The product of its (nonzero) digits is 2800000, while the sum is 48.

The spelling of 2505250525278 in words is "two trillion, five hundred five billion, two hundred fifty million, five hundred twenty-five thousand, two hundred seventy-eight".