525782563 has 2 divisors, whose sum is σ = 525782564. Its totient is φ = 525782562.

The previous prime is 525782527. The next prime is 525782581. The reversal of 525782563 is 365287525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525782563 - 2¹³ = 525774371 is a prime.

It is not a weakly prime, because it can be changed into another prime (525782863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262891281 + 262891282.

It is an arithmetic number, because the mean of its divisors is an integer number (262891282).

Almost surely, 2^525782563 is an apocalyptic number.

525782563 is a deficient number, since it is larger than the sum of its proper divisors (1).

525782563 is an equidigital number, since it uses as much as digits as its factorization.

525782563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504000, while the sum is 43.

The square root of 525782563 is about 22929.9490405016. The cubic root of 525782563 is about 807.1149524515.

The spelling of 525782563 in words is "five hundred twenty-five million, seven hundred eighty-two thousand, five hundred sixty-three".