522320542 has 8 divisors (see below), whose sum is σ = 783624600. Its totient is φ = 261112344.

The previous prime is 522320521. The next prime is 522320567. The reversal of 522320542 is 245023225.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8292 + ... + 33367.

It is an arithmetic number, because the mean of its divisors is an integer number (97953075).

Almost surely, 2^522320542 is an apocalyptic number.

522320542 is a deficient number, since it is larger than the sum of its proper divisors (261304058).

522320542 is a wasteful number, since it uses less digits than its factorization.

522320542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47930.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 522320542 is about 22854.3331121256. Note that the first 3 decimals coincide. The cubic root of 522320542 is about 805.3395643182.

Adding to 522320542 its reverse (245023225), we get a palindrome (767343767).

The spelling of 522320542 in words is "five hundred twenty-two million, three hundred twenty thousand, five hundred forty-two".