505278033 has 16 divisors (see below), whose sum is σ = 728239680. Its totient is φ = 309777984.

The previous prime is 505278023. The next prime is 505278043. The reversal of 505278033 is 330872505.

It is an interprime number because it is at equal distance from previous prime (505278023) and next prime (505278043).

It is not a de Polignac number, because 505278033 - 2¹³ = 505269841 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 505277985 and 505278003.

It is not an unprimeable number, because it can be changed into a prime (505278013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13591 + ... + 34572.

It is an arithmetic number, because the mean of its divisors is an integer number (45514980).

Almost surely, 2^505278033 is an apocalyptic number.

It is an amenable number.

505278033 is a deficient number, since it is larger than the sum of its proper divisors (222961647).

505278033 is a wasteful number, since it uses less digits than its factorization.

505278033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48448.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 505278033 is about 22478.3903560731. The cubic root of 505278033 is about 796.4835413160.

The spelling of 505278033 in words is "five hundred five million, two hundred seventy-eight thousand, thirty-three".