254982563 has 4 divisors (see below), whose sum is σ = 278162808. Its totient is φ = 231802320.

The previous prime is 254982547. The next prime is 254982583. The reversal of 254982563 is 365289452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 254982563 - 2⁴ = 254982547 is a prime.

It is a super-2 number, since 2×254982563² = 130032214868097938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (254982583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11590106 + ... + 11590127.

It is an arithmetic number, because the mean of its divisors is an integer number (69540702).

Almost surely, 2^254982563 is an apocalyptic number.

254982563 is a deficient number, since it is larger than the sum of its proper divisors (23180245).

254982563 is a wasteful number, since it uses less digits than its factorization.

254982563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23180244.

The product of its digits is 518400, while the sum is 44.

The square root of 254982563 is about 15968.1734396893. The cubic root of 254982563 is about 634.1181161311.

The spelling of 254982563 in words is "two hundred fifty-four million, nine hundred eighty-two thousand, five hundred sixty-three".