503042105 has 8 divisors (see below), whose sum is σ = 605896200. Its totient is φ = 400936576.

The previous prime is 503042101. The next prime is 503042117. The reversal of 503042105 is 501240305.

It can be written as a sum of positive squares in 4 ways, for example, as 35271721 + 467770384 = 5939^2 + 21628^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 503042105 - 2² = 503042101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (503042101) 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, 185660 + ... + 188349.

It is an arithmetic number, because the mean of its divisors is an integer number (75737025).

Almost surely, 2^503042105 is an apocalyptic number.

It is an amenable number.

503042105 is a deficient number, since it is larger than the sum of its proper divisors (102854095).

503042105 is a wasteful number, since it uses less digits than its factorization.

503042105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374283.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 503042105 is about 22428.6001569425. The cubic root of 503042105 is about 795.3069526556.

The spelling of 503042105 in words is "five hundred three million, forty-two thousand, one hundred five".