525343223 has 4 divisors (see below), whose sum is σ = 525408408. Its totient is φ = 525278040.

The previous prime is 525343213. The next prime is 525343229. The reversal of 525343223 is 322343525.

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

It is a cyclic number.

It is not a de Polignac number, because 525343223 - 2²⁰ = 524294647 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 (525343229) 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, 18461 + ... + 37302.

It is an arithmetic number, because the mean of its divisors is an integer number (131352102).

Almost surely, 2^525343223 is an apocalyptic number.

525343223 is a deficient number, since it is larger than the sum of its proper divisors (65185).

525343223 is an equidigital number, since it uses as much as digits as its factorization.

525343223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65184.

The product of its digits is 21600, while the sum is 29.

The square root of 525343223 is about 22920.3669909537. The cubic root of 525343223 is about 806.8900833893.

Adding to 525343223 its reverse (322343525), we get a palindrome (847686748).

The spelling of 525343223 in words is "five hundred twenty-five million, three hundred forty-three thousand, two hundred twenty-three".