522429 has 4 divisors (see below), whose sum is σ = 696576. Its totient is φ = 348284.

The previous prime is 522413. The next prime is 522439. The reversal of 522429 is 924225.

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 522429 - 2⁴ = 522413 is a prime.

It is a D-number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 522399 and 522408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522409) 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, 87069 + ... + 87074.

It is an arithmetic number, because the mean of its divisors is an integer number (174144).

2⁵²²⁴²⁹ is an apocalyptic number.

It is an amenable number.

522429 is a deficient number, since it is larger than the sum of its proper divisors (174147).

522429 is a wasteful number, since it uses less digits than its factorization.

522429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174146.

The product of its digits is 1440, while the sum is 24.

The square root of 522429 is about 722.7925013446. The cubic root of 522429 is about 80.5395302424.

It can be divided in two parts, 5224 and 29, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 522429 in words is "five hundred twenty-two thousand, four hundred twenty-nine".