522540129 has 8 divisors (see below), whose sum is σ = 696827392. Its totient is φ = 348306480.

The previous prime is 522540127. The next prime is 522540131. The reversal of 522540129 is 921045225.

It is an interprime number because it is at equal distance from previous prime (522540127) and next prime (522540131).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 522540129 - 2¹ = 522540127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 522540096 and 522540105.

It is not an unprimeable number, because it can be changed into a prime (522540127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25347 + ... + 41079.

It is an arithmetic number, because the mean of its divisors is an integer number (87103424).

Almost surely, 2^522540129 is an apocalyptic number.

It is an amenable number.

522540129 is a deficient number, since it is larger than the sum of its proper divisors (174287263).

522540129 is a wasteful number, since it uses less digits than its factorization.

522540129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26807.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 522540129 is about 22859.1366634875. The cubic root of 522540129 is about 805.4524051944.

It can be divided in two parts, 5225 and 40129, that added together give a palindrome (45354).

The spelling of 522540129 in words is "five hundred twenty-two million, five hundred forty thousand, one hundred twenty-nine".