505542521233 has 8 divisors (see below), whose sum is σ = 505810305000. Its totient is φ = 505274803968.

The previous prime is 505542521221. The next prime is 505542521249. The reversal of 505542521233 is 332125245505.

It can be written as a sum of positive squares in 4 ways, for example, as 18852113809 + 486690407424 = 137303^2 + 697632^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 505542521233 - 2⁵ = 505542521201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505542521192 and 505542521201.

It is not an unprimeable number, because it can be changed into a prime (505542521213) 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, 22731363 + ... + 22753591.

It is an arithmetic number, because the mean of its divisors is an integer number (63226288125).

Almost surely, 2^505542521233 is an apocalyptic number.

It is an amenable number.

505542521233 is a deficient number, since it is larger than the sum of its proper divisors (267783767).

505542521233 is a wasteful number, since it uses less digits than its factorization.

505542521233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33251.

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 505542521233 its reverse (332125245505), we get a palindrome (837667766738).

The spelling of 505542521233 in words is "five hundred five billion, five hundred forty-two million, five hundred twenty-one thousand, two hundred thirty-three".