505601602403 has 2 divisors, whose sum is σ = 505601602404. Its totient is φ = 505601602402.

The previous prime is 505601602397. The next prime is 505601602417. The reversal of 505601602403 is 304206106505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505601602403 - 2³⁰ = 504527860579 is a prime.

It is a super-3 number, since 3×505601602403³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 505601602403.

It is not a weakly prime, because it can be changed into another prime (505601605403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252800801201 + 252800801202.

It is an arithmetic number, because the mean of its divisors is an integer number (252800801202).

Almost surely, 2^505601602403 is an apocalyptic number.

505601602403 is a deficient number, since it is larger than the sum of its proper divisors (1).

505601602403 is an equidigital number, since it uses as much as digits as its factorization.

505601602403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 505601602403 its reverse (304206106505), we get a palindrome (809807708908).

The spelling of 505601602403 in words is "five hundred five billion, six hundred one million, six hundred two thousand, four hundred three".