526245563 has 2 divisors, whose sum is σ = 526245564. Its totient is φ = 526245562.

The previous prime is 526245547. The next prime is 526245611. The reversal of 526245563 is 365542625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 526245563 - 2⁴ = 526245547 is a prime.

It is equal to p_27663545 and since 526245563 and 27663545 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (526245263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263122781 + 263122782.

It is an arithmetic number, because the mean of its divisors is an integer number (263122782).

Almost surely, 2^526245563 is an apocalyptic number.

526245563 is a deficient number, since it is larger than the sum of its proper divisors (1).

526245563 is an equidigital number, since it uses as much as digits as its factorization.

526245563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216000, while the sum is 38.

The square root of 526245563 is about 22940.0427854876. The cubic root of 526245563 is about 807.3517959759.

The spelling of 526245563 in words is "five hundred twenty-six million, two hundred forty-five thousand, five hundred sixty-three".