525238263 has 20 divisors (see below), whose sum is σ = 855945288. Its totient is φ = 318325680.

The previous prime is 525238253. The next prime is 525238297. The reversal of 525238263 is 362832525.

525238263 is a `hidden beast` number, since 52 + 523 + 82 + 6 + 3 = 666.

It is not a de Polignac number, because 525238263 - 2²² = 521043959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525238253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 293856 + ... + 295637.

Almost surely, 2^525238263 is an apocalyptic number.

525238263 is a deficient number, since it is larger than the sum of its proper divisors (330707025).

525238263 is a wasteful number, since it uses less digits than its factorization.

525238263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589516 (or 589507 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 525238263 is about 22918.0772099232. The cubic root of 525238263 is about 806.8363427614.

The spelling of 525238263 in words is "five hundred twenty-five million, two hundred thirty-eight thousand, two hundred sixty-three".