505131033 has 8 divisors (see below), whose sum is σ = 734736096. Its totient is φ = 306140000.

The previous prime is 505131031. The next prime is 505131073. The reversal of 505131033 is 330131505.

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 505131033 - 2¹ = 505131031 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505131031) 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, 7653468 + ... + 7653533.

It is an arithmetic number, because the mean of its divisors is an integer number (91842012).

Almost surely, 2^505131033 is an apocalyptic number.

It is an amenable number.

505131033 is a deficient number, since it is larger than the sum of its proper divisors (229605063).

505131033 is a wasteful number, since it uses less digits than its factorization.

505131033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15307015.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 505131033 is about 22475.1203111352. The cubic root of 505131033 is about 796.4062937882.

Adding to 505131033 its reverse (330131505), we get a palindrome (835262538).

The spelling of 505131033 in words is "five hundred five million, one hundred thirty-one thousand, thirty-three".