575261563 has 2 divisors, whose sum is σ = 575261564. Its totient is φ = 575261562.

The previous prime is 575261551. The next prime is 575261567. The reversal of 575261563 is 365162575.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-575261563 is a prime.

It is not a weakly prime, because it can be changed into another prime (575261567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287630781 + 287630782.

It is an arithmetic number, because the mean of its divisors is an integer number (287630782).

Almost surely, 2^575261563 is an apocalyptic number.

575261563 is a deficient number, since it is larger than the sum of its proper divisors (1).

575261563 is an equidigital number, since it uses as much as digits as its factorization.

575261563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189000, while the sum is 40.

The square root of 575261563 is about 23984.6109620315. The cubic root of 575261563 is about 831.6778191006.

The spelling of 575261563 in words is "five hundred seventy-five million, two hundred sixty-one thousand, five hundred sixty-three".