505312245 has 48 divisors (see below), whose sum is σ = 907545600. Its totient is φ = 259822080.

The previous prime is 505312243. The next prime is 505312253. The reversal of 505312245 is 542213505.

It is a happy number.

It is not a de Polignac number, because 505312245 - 2¹ = 505312243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505312243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 500301 + ... + 501309.

It is an arithmetic number, because the mean of its divisors is an integer number (18907200).

Almost surely, 2^505312245 is an apocalyptic number.

It is an amenable number.

505312245 is a deficient number, since it is larger than the sum of its proper divisors (402233355).

505312245 is a wasteful number, since it uses less digits than its factorization.

505312245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410 (or 1407 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 505312245 is about 22479.1513407424. The cubic root of 505312245 is about 796.5015173464.

The spelling of 505312245 in words is "five hundred five million, three hundred twelve thousand, two hundred forty-five".