505223600033 has 2 divisors, whose sum is σ = 505223600034. Its totient is φ = 505223600032.

The previous prime is 505223600003. The next prime is 505223600047. The reversal of 505223600033 is 330006322505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312109934224 + 193113665809 = 558668^2 + 439447^2 .

It is a cyclic number.

It is not a de Polignac number, because 505223600033 - 2¹² = 505223595937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505223599969 and 505223600005.

It is not a weakly prime, because it can be changed into another prime (505223600003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252611800016 + 252611800017.

It is an arithmetic number, because the mean of its divisors is an integer number (252611800017).

Almost surely, 2^505223600033 is an apocalyptic number.

It is an amenable number.

505223600033 is a deficient number, since it is larger than the sum of its proper divisors (1).

505223600033 is an equidigital number, since it uses as much as digits as its factorization.

505223600033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 29.

Adding to 505223600033 its reverse (330006322505), we get a palindrome (835229922538).

The spelling of 505223600033 in words is "five hundred five billion, two hundred twenty-three million, six hundred thousand, thirty-three".