501916705 has 4 divisors (see below), whose sum is σ = 602300052. Its totient is φ = 401533360.

The previous prime is 501916669. The next prime is 501916759. The reversal of 501916705 is 507619105.

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 238146624 + 263770081 = 15432^2 + 16241^2 .

It is not a de Polignac number, because 501916705 - 2⁹ = 501916193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50191666 + ... + 50191675.

It is an arithmetic number, because the mean of its divisors is an integer number (150575013).

Almost surely, 2^501916705 is an apocalyptic number.

It is an amenable number.

501916705 is a deficient number, since it is larger than the sum of its proper divisors (100383347).

501916705 is a wasteful number, since it uses less digits than its factorization.

501916705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100383346.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 501916705 is about 22403.4976064007. The cubic root of 501916705 is about 794.7134259753.

The spelling of 501916705 in words is "five hundred one million, nine hundred sixteen thousand, seven hundred five".