522423853 has 4 divisors (see below), whose sum is σ = 597055840. Its totient is φ = 447791868.

The previous prime is 522423827. The next prime is 522423871. The reversal of 522423853 is 358324225.

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 522423853 - 2¹⁷ = 522292781 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 (522423553) 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, 37315983 + ... + 37315996.

It is an arithmetic number, because the mean of its divisors is an integer number (149263960).

Almost surely, 2^522423853 is an apocalyptic number.

It is an amenable number.

522423853 is a deficient number, since it is larger than the sum of its proper divisors (74631987).

522423853 is an equidigital number, since it uses as much as digits as its factorization.

522423853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74631986.

The product of its digits is 57600, while the sum is 34.

The square root of 522423853 is about 22856.5932063376. The cubic root of 522423853 is about 805.3926574824.

The spelling of 522423853 in words is "five hundred twenty-two million, four hundred twenty-three thousand, eight hundred fifty-three".