526261163 has 4 divisors (see below), whose sum is σ = 557217720. Its totient is φ = 495304608.

The previous prime is 526261157. The next prime is 526261171. The reversal of 526261163 is 361162625.

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 526261163 - 2⁴ = 526261147 is a prime.

It is a super-2 number, since 2×526261163² = 553901623364225138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (526261193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15478253 + ... + 15478286.

It is an arithmetic number, because the mean of its divisors is an integer number (139304430).

Almost surely, 2^526261163 is an apocalyptic number.

526261163 is a deficient number, since it is larger than the sum of its proper divisors (30956557).

526261163 is a wasteful number, since it uses less digits than its factorization.

526261163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30956556.

The product of its digits is 12960, while the sum is 32.

The square root of 526261163 is about 22940.3827997704. The cubic root of 526261163 is about 807.3597735973.

The spelling of 526261163 in words is "five hundred twenty-six million, two hundred sixty-one thousand, one hundred sixty-three".