505703242 has 16 divisors (see below), whose sum is σ = 829688832. Its totient is φ = 229261120.

The previous prime is 505703213. The next prime is 505703243. The reversal of 505703242 is 242307505.

It is a self number, because there is not a number n which added to its sum of digits gives 505703242.

It is not an unprimeable number, because it can be changed into a prime (505703243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21583 + ... + 38434.

It is an arithmetic number, because the mean of its divisors is an integer number (51855552).

Almost surely, 2^505703242 is an apocalyptic number.

505703242 is a deficient number, since it is larger than the sum of its proper divisors (323985590).

505703242 is a wasteful number, since it uses less digits than its factorization.

505703242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60413.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 505703242 is about 22487.8465398535. The cubic root of 505703242 is about 796.7069015197.

The spelling of 505703242 in words is "five hundred five million, seven hundred three thousand, two hundred forty-two".