502045805 has 4 divisors (see below), whose sum is σ = 602454972. Its totient is φ = 401636640.

The previous prime is 502045801. The next prime is 502045811. The reversal of 502045805 is 508540205.

502045805 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 378458116 + 123587689 = 19454^2 + 11117^2 .

It is not a de Polignac number, because 502045805 - 2² = 502045801 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502045801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50204576 + ... + 50204585.

It is an arithmetic number, because the mean of its divisors is an integer number (150613743).

Almost surely, 2^502045805 is an apocalyptic number.

It is an amenable number.

502045805 is a deficient number, since it is larger than the sum of its proper divisors (100409167).

502045805 is a wasteful number, since it uses less digits than its factorization.

502045805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100409166.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 502045805 is about 22406.3786676919. The cubic root of 502045805 is about 794.7815572722.

The spelling of 502045805 in words is "five hundred two million, forty-five thousand, eight hundred five".