526395563 has 2 divisors, whose sum is σ = 526395564. Its totient is φ = 526395562.

The previous prime is 526395547. The next prime is 526395601. The reversal of 526395563 is 365593625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 526395563 - 2⁴ = 526395547 is a prime.

It is not a weakly prime, because it can be changed into another prime (526395763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263197781 + 263197782.

It is an arithmetic number, because the mean of its divisors is an integer number (263197782).

Almost surely, 2^526395563 is an apocalyptic number.

526395563 is a deficient number, since it is larger than the sum of its proper divisors (1).

526395563 is an equidigital number, since it uses as much as digits as its factorization.

526395563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 729000, while the sum is 44.

The square root of 526395563 is about 22943.3119448784. The cubic root of 526395563 is about 807.4284973446.

The spelling of 526395563 in words is "five hundred twenty-six million, three hundred ninety-five thousand, five hundred sixty-three".