522025431 has 4 divisors (see below), whose sum is σ = 696033912. Its totient is φ = 348016952.

The previous prime is 522025421. The next prime is 522025447. The reversal of 522025431 is 134520225.

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 522025431 - 2⁶ = 522025367 is a prime.

It is a super-2 number, since 2×522025431² = 545021101221471522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522025421) 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, 87004236 + ... + 87004241.

It is an arithmetic number, because the mean of its divisors is an integer number (174008478).

Almost surely, 2^522025431 is an apocalyptic number.

522025431 is a deficient number, since it is larger than the sum of its proper divisors (174008481).

522025431 is a wasteful number, since it uses less digits than its factorization.

522025431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174008480.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 522025431 is about 22847.8758531291. The cubic root of 522025431 is about 805.1878635143.

Adding to 522025431 its reverse (134520225), we get a palindrome (656545656).

The spelling of 522025431 in words is "five hundred twenty-two million, twenty-five thousand, four hundred thirty-one".