652563 has 8 divisors (see below), whose sum is σ = 966800. Its totient is φ = 435024.

The previous prime is 652559. The next prime is 652567. The reversal of 652563 is 365256.

652563 is a `hidden beast` number, since 652 + 5 + 6 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (652559) and next prime (652567).

It is not a de Polignac number, because 652563 - 2² = 652559 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: 24169 = 652563 / (6 + 5 + 2 + 5 + 6 + 3).

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12058 + ... + 12111.

It is an arithmetic number, because the mean of its divisors is an integer number (120850).

2⁶⁵²⁵⁶³ is an apocalyptic number.

652563 is a deficient number, since it is larger than the sum of its proper divisors (314237).

652563 is a wasteful number, since it uses less digits than its factorization.

652563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24178 (or 24172 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 652563 is about 807.8137161500. The cubic root of 652563 is about 86.7376161290.

It can be divided in two parts, 65 and 2563, that added together give a triangular number (2628 = T₇₂).

The spelling of 652563 in words is "six hundred fifty-two thousand, five hundred sixty-three".