526423563 has 16 divisors (see below), whose sum is σ = 813795840. Its totient is φ = 335689992.

The previous prime is 526423553. The next prime is 526423567. The reversal of 526423563 is 365324625.

526423563 is a `hidden beast` number, since 5 + 2 + 642 + 3 + 5 + 6 + 3 = 666.

It is not a de Polignac number, because 526423563 - 2¹⁰ = 526422539 is a prime.

It is a super-2 number, since 2×526423563² = 554243535363229938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (526423567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423231 + ... + 424472.

It is an arithmetic number, because the mean of its divisors is an integer number (50862240).

Almost surely, 2^526423563 is an apocalyptic number.

526423563 is a deficient number, since it is larger than the sum of its proper divisors (287372277).

526423563 is a wasteful number, since it uses less digits than its factorization.

526423563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847735 (or 847729 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 526423563 is about 22943.9221363742. The cubic root of 526423563 is about 807.4428133196.

The spelling of 526423563 in words is "five hundred twenty-six million, four hundred twenty-three thousand, five hundred sixty-three".