505405001033 has 8 divisors (see below), whose sum is σ = 509304022656. Its totient is φ = 501506600400.

The previous prime is 505405000979. The next prime is 505405001069. The reversal of 505405001033 is 330100504505.

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 505405001033 - 2¹⁸ = 505404738889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 505405000993 and 505405001011.

It is not an unprimeable number, because it can be changed into a prime (505405001083) 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, 1550768 + ... + 1848158.

It is an arithmetic number, because the mean of its divisors is an integer number (63663002832).

Almost surely, 2^505405001033 is an apocalyptic number.

It is an amenable number.

505405001033 is a deficient number, since it is larger than the sum of its proper divisors (3899021623).

505405001033 is a wasteful number, since it uses less digits than its factorization.

505405001033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310495.

The product of its (nonzero) digits is 4500, while the sum is 26.

Adding to 505405001033 its reverse (330100504505), we get a palindrome (835505505538).

The spelling of 505405001033 in words is "five hundred five billion, four hundred five million, one thousand, thirty-three".