503942065 has 8 divisors (see below), whose sum is σ = 659706048. Its totient is φ = 366503280.

The previous prime is 503942059. The next prime is 503942081. The reversal of 503942065 is 560249305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 503942065 - 2³ = 503942057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503942065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4581237 + ... + 4581346.

It is an arithmetic number, because the mean of its divisors is an integer number (82463256).

Almost surely, 2^503942065 is an apocalyptic number.

503942065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

503942065 is a deficient number, since it is larger than the sum of its proper divisors (155763983).

503942065 is a wasteful number, since it uses less digits than its factorization.

503942065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9162599.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 503942065 is about 22448.6539685568. The cubic root of 503942065 is about 795.7809474638.

The spelling of 503942065 in words is "five hundred three million, nine hundred forty-two thousand, sixty-five".