525775863 has 4 divisors (see below), whose sum is σ = 701034488. Its totient is φ = 350517240.

The previous prime is 525775849. The next prime is 525775931. The reversal of 525775863 is 368577525.

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

It is not a de Polignac number, because 525775863 - 2⁶ = 525775799 is a prime.

It is a super-2 number, since 2×525775863² = 552880516226789538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525775843) 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, 87629308 + ... + 87629313.

It is an arithmetic number, because the mean of its divisors is an integer number (175258622).

Almost surely, 2^525775863 is an apocalyptic number.

525775863 is a deficient number, since it is larger than the sum of its proper divisors (175258625).

525775863 is a wasteful number, since it uses less digits than its factorization.

525775863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175258624.

The product of its digits is 1764000, while the sum is 48.

The square root of 525775863 is about 22929.8029428951. The cubic root of 525775863 is about 807.1115241058. Note that the first 3 decimals are identical.

The spelling of 525775863 in words is "five hundred twenty-five million, seven hundred seventy-five thousand, eight hundred sixty-three".