523253 has 4 divisors (see below), whose sum is σ = 525420. Its totient is φ = 521088.

The previous prime is 523219. The next prime is 523261. The reversal of 523253 is 352325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 165649 + 357604 = 407^2 + 598^2 .

It is a cyclic number.

It is not a de Polignac number, because 523253 - 2¹⁰ = 522229 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 (523213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668 + ... + 1221.

It is an arithmetic number, because the mean of its divisors is an integer number (131355).

2⁵²³²⁵³ is an apocalyptic number.

It is an amenable number.

523253 is a deficient number, since it is larger than the sum of its proper divisors (2167).

523253 is a wasteful number, since it uses less digits than its factorization.

523253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166.

The product of its digits is 900, while the sum is 20.

The square root of 523253 is about 723.3622882070. The cubic root of 523253 is about 80.5818515992.

Adding to 523253 its reverse (352325), we get a palindrome (875578).

The spelling of 523253 in words is "five hundred twenty-three thousand, two hundred fifty-three".