274563 has 8 divisors (see below), whose sum is σ = 406800. Its totient is φ = 183024.

The previous prime is 274529. The next prime is 274579. The reversal of 274563 is 365472.

It is a happy number.

274563 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.

It is a de Polignac number, because none of the positive numbers 2^k-274563 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 10169 = 274563 / (2 + 7 + 4 + 5 + 6 + 3).

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

It is a zygodrome in base 3.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 274563.

It is not an unprimeable number, because it can be changed into a prime (274583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5058 + ... + 5111.

It is an arithmetic number, because the mean of its divisors is an integer number (50850).

2²⁷⁴⁵⁶³ is an apocalyptic number.

274563 is a deficient number, since it is larger than the sum of its proper divisors (132237).

274563 is a wasteful number, since it uses less digits than its factorization.

274563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10178 (or 10172 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 274563 is about 523.9875952730. The cubic root of 274563 is about 64.9951081131.

Subtracting 274563 from its reverse (365472), we obtain a palindrome (90909).

It can be divided in two parts, 27 and 4563, that multiplied together give a square (123201 = 351²).

The spelling of 274563 in words is "two hundred seventy-four thousand, five hundred sixty-three".