2505524663 has 4 divisors (see below), whose sum is σ = 2505783048. Its totient is φ = 2505266280.

The previous prime is 2505524653. The next prime is 2505524669. The reversal of 2505524663 is 3664255052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2505524663 - 2²⁸ = 2237089207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505524669) 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, 114056 + ... + 134237.

It is an arithmetic number, because the mean of its divisors is an integer number (626445762).

Almost surely, 2^2505524663 is an apocalyptic number.

2505524663 is a deficient number, since it is larger than the sum of its proper divisors (258385).

2505524663 is a wasteful number, since it uses less digits than its factorization.

2505524663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258384.

The product of its (nonzero) digits is 216000, while the sum is 38.

The square root of 2505524663 is about 50055.2161417769. The cubic root of 2505524663 is about 1358.2078222679.

The spelling of 2505524663 in words is "two billion, five hundred five million, five hundred twenty-four thousand, six hundred sixty-three".