512653 has 4 divisors (see below), whose sum is σ = 514108. Its totient is φ = 511200.

The previous prime is 512641. The next prime is 512657. The reversal of 512653 is 356215.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 213444 + 299209 = 462^2 + 547^2 .

It is a cyclic number.

It is not a de Polignac number, because 512653 - 2⁵ = 512621 is a prime.

It is a Duffinian number.

512653 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512657) 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 3 ways as a sum of consecutive naturals, for example, 175 + ... + 1027.

It is an arithmetic number, because the mean of its divisors is an integer number (128527).

2⁵¹²⁶⁵³ is an apocalyptic number.

It is an amenable number.

512653 is a deficient number, since it is larger than the sum of its proper divisors (1455).

512653 is an equidigital number, since it uses as much as digits as its factorization.

512653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454.

The product of its digits is 900, while the sum is 22.

The square root of 512653 is about 715.9979050249. The cubic root of 512653 is about 80.0339959680.

Adding to 512653 its reverse (356215), we get a palindrome (868868).

It can be divided in two parts, 51 and 2653, that added together give a square (2704 = 52²).

The spelling of 512653 in words is "five hundred twelve thousand, six hundred fifty-three".