253585563 has 32 divisors (see below), whose sum is σ = 422633472. Its totient is φ = 131392800.

The previous prime is 253585547. The next prime is 253585567. The reversal of 253585563 is 365585352.

It is not a de Polignac number, because 253585563 - 2⁴ = 253585547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253585567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105768 + ... + 108138.

It is an arithmetic number, because the mean of its divisors is an integer number (13207296).

Almost surely, 2^253585563 is an apocalyptic number.

253585563 is a deficient number, since it is larger than the sum of its proper divisors (169047909).

253585563 is a wasteful number, since it uses less digits than its factorization.

253585563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855.

The product of its digits is 540000, while the sum is 42.

The square root of 253585563 is about 15924.3700974324. The cubic root of 253585563 is about 632.9579246733.

The spelling of 253585563 in words is "two hundred fifty-three million, five hundred eighty-five thousand, five hundred sixty-three".