2506557270 has 48 divisors (see below), whose sum is σ = 6997902768. Its totient is φ = 572927040.

The previous prime is 2506557259. The next prime is 2506557289. The reversal of 2506557270 is 727556052.

2506557270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 851101 + ... + 854040.

It is an arithmetic number, because the mean of its divisors is an integer number (145789641).

Almost surely, 2^2506557270 is an apocalyptic number.

2506557270 is an abundant number, since it is smaller than the sum of its proper divisors (4491345498).

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

2506557270 is a wasteful number, since it uses less digits than its factorization.

2506557270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705165 (or 1705158 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 39.

The square root of 2506557270 is about 50065.5297585075. The cubic root of 2506557270 is about 1358.3943836295.

The spelling of 2506557270 in words is "two billion, five hundred six million, five hundred fifty-seven thousand, two hundred seventy".