505256033 has 8 divisors (see below), whose sum is σ = 511849152. Its totient is φ = 498697776.

The previous prime is 505256029. The next prime is 505256039. The reversal of 505256033 is 330652505.

It is a happy number.

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 505256033 - 2² = 505256029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505255987 and 505256005.

It is not an unprimeable number, because it can be changed into a prime (505256039) 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, 21116 + ... + 38162.

It is an arithmetic number, because the mean of its divisors is an integer number (63981144).

Almost surely, 2^505256033 is an apocalyptic number.

It is an amenable number.

505256033 is a deficient number, since it is larger than the sum of its proper divisors (6593119).

505256033 is a wasteful number, since it uses less digits than its factorization.

505256033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17431.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 505256033 is about 22477.9009918631. The cubic root of 505256033 is about 796.4719814149.

The spelling of 505256033 in words is "five hundred five million, two hundred fifty-six thousand, thirty-three".