2505456530 has 16 divisors (see below), whose sum is σ = 4513455000. Its totient is φ = 1001375232.

The previous prime is 2505456529. The next prime is 2505456557. The reversal of 2505456530 is 356545052.

2505456530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2398354729 + 107101801 = 48973^2 + 10349^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87809 + ... + 112788.

Almost surely, 2^2505456530 is an apocalyptic number.

2505456530 is a deficient number, since it is larger than the sum of its proper divisors (2007998470).

2505456530 is a wasteful number, since it uses less digits than its factorization.

2505456530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201853.

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 2505456530 is about 50054.5355587283. The cubic root of 2505456530 is about 1358.1955108595.

The spelling of 2505456530 in words is "two billion, five hundred five million, four hundred fifty-six thousand, five hundred thirty".