505824983 has 2 divisors, whose sum is σ = 505824984. Its totient is φ = 505824982.

The previous prime is 505824967. The next prime is 505825013. The reversal of 505824983 is 389428505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505824983 - 2⁴ = 505824967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505824083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252912491 + 252912492.

It is an arithmetic number, because the mean of its divisors is an integer number (252912492).

Almost surely, 2^505824983 is an apocalyptic number.

505824983 is a deficient number, since it is larger than the sum of its proper divisors (1).

505824983 is an equidigital number, since it uses as much as digits as its factorization.

505824983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 505824983 is about 22490.5531946193. The cubic root of 505824983 is about 796.7708284138.

The spelling of 505824983 in words is "five hundred five million, eight hundred twenty-four thousand, nine hundred eighty-three".