505552303 has 2 divisors, whose sum is σ = 505552304. Its totient is φ = 505552302.

The previous prime is 505552301. The next prime is 505552321. The reversal of 505552303 is 303255505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505552303 - 2¹ = 505552301 is a prime.

Together with 505552301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505552301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252776151 + 252776152.

It is an arithmetic number, because the mean of its divisors is an integer number (252776152).

Almost surely, 2^505552303 is an apocalyptic number.

505552303 is a deficient number, since it is larger than the sum of its proper divisors (1).

505552303 is an equidigital number, since it uses as much as digits as its factorization.

505552303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 505552303 is about 22484.4902766329. The cubic root of 505552303 is about 796.6276283418.

The spelling of 505552303 in words is "five hundred five million, five hundred fifty-two thousand, three hundred three".