505530827 has 2 divisors, whose sum is σ = 505530828. Its totient is φ = 505530826.

The previous prime is 505530791. The next prime is 505530881. The reversal of 505530827 is 728035505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505530827 - 2¹⁶ = 505465291 is a prime.

It is a super-2 number, since 2×505530827² = 511122834094607858, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (505530127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252765413 + 252765414.

It is an arithmetic number, because the mean of its divisors is an integer number (252765414).

Almost surely, 2^505530827 is an apocalyptic number.

505530827 is a deficient number, since it is larger than the sum of its proper divisors (1).

505530827 is an equidigital number, since it uses as much as digits as its factorization.

505530827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 505530827 is about 22484.0126979149. The cubic root of 505530827 is about 796.6163478622.

The spelling of 505530827 in words is "five hundred five million, five hundred thirty thousand, eight hundred twenty-seven".