563254 has 4 divisors (see below), whose sum is σ = 844884. Its totient is φ = 281626.

The previous prime is 563249. The next prime is 563263. The reversal of 563254 is 452365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 452365 = 5 ⋅90473.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

563254 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140812 + ... + 140815.

It is an arithmetic number, because the mean of its divisors is an integer number (211221).

2⁵⁶³²⁵⁴ is an apocalyptic number.

563254 is a deficient number, since it is larger than the sum of its proper divisors (281630).

563254 is a wasteful number, since it uses less digits than its factorization.

563254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281629.

The product of its digits is 3600, while the sum is 25.

The square root of 563254 is about 750.5024983303. The cubic root of 563254 is about 82.5850485047.

Subtracting from 563254 its reverse (452365), we obtain a square (110889 = 333²).

The spelling of 563254 in words is "five hundred sixty-three thousand, two hundred fifty-four".