523345253 has 4 divisors (see below), whose sum is σ = 550889760. Its totient is φ = 495800748.

The previous prime is 523345247. The next prime is 523345271. The reversal of 523345253 is 352543325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 523345253 - 2¹⁰ = 523344229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523344253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13772225 + ... + 13772262.

It is an arithmetic number, because the mean of its divisors is an integer number (137722440).

Almost surely, 2^523345253 is an apocalyptic number.

It is an amenable number.

523345253 is a deficient number, since it is larger than the sum of its proper divisors (27544507).

523345253 is a wasteful number, since it uses less digits than its factorization.

523345253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27544506.

The product of its digits is 54000, while the sum is 32.

The square root of 523345253 is about 22876.7404365220. The cubic root of 523345253 is about 805.8658702723.

Adding to 523345253 its reverse (352543325), we get a palindrome (875888578).

The spelling of 523345253 in words is "five hundred twenty-three million, three hundred forty-five thousand, two hundred fifty-three".