522142141 has 4 divisors (see below), whose sum is σ = 522474400. Its totient is φ = 521809884.

The previous prime is 522142111. The next prime is 522142147. The reversal of 522142141 is 141241225.

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 522142141 - 2¹⁵ = 522109373 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 (522142147) 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, 163761 + ... + 166918.

It is an arithmetic number, because the mean of its divisors is an integer number (130618600).

Almost surely, 2^522142141 is an apocalyptic number.

It is an amenable number.

522142141 is a deficient number, since it is larger than the sum of its proper divisors (332259).

522142141 is a wasteful number, since it uses less digits than its factorization.

522142141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332258.

The product of its digits is 640, while the sum is 22.

The square root of 522142141 is about 22850.4297771399. The cubic root of 522142141 is about 805.2478647247.

Adding to 522142141 its reverse (141241225), we get a palindrome (663383366).

The spelling of 522142141 in words is "five hundred twenty-two million, one hundred forty-two thousand, one hundred forty-one".