612534223 has 16 divisors (see below), whose sum is σ = 727064640. Its totient is φ = 505080576.

The previous prime is 612534193. The next prime is 612534257. The reversal of 612534223 is 322435216.

It is not a de Polignac number, because 612534223 - 2¹⁷ = 612403151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612534191 and 612534200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612534023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9765 + ... + 36337.

It is an arithmetic number, because the mean of its divisors is an integer number (45441540).

Almost surely, 2^612534223 is an apocalyptic number.

612534223 is a deficient number, since it is larger than the sum of its proper divisors (114530417).

612534223 is a wasteful number, since it uses less digits than its factorization.

612534223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26706.

The product of its digits is 8640, while the sum is 28.

The square root of 612534223 is about 24749.4287408821. The cubic root of 612534223 is about 849.2654428984.

Adding to 612534223 its reverse (322435216), we get a palindrome (934969439).

The spelling of 612534223 in words is "six hundred twelve million, five hundred thirty-four thousand, two hundred twenty-three".