501250117 has 4 divisors (see below), whose sum is σ = 530735436. Its totient is φ = 471764800.

The previous prime is 501250111. The next prime is 501250121. The reversal of 501250117 is 711052105.

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 308845476 + 192404641 = 17574^2 + 13871^2 .

It is a cyclic number.

It is not a de Polignac number, because 501250117 - 2¹⁵ = 501217349 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 (501250111) 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, 14742634 + ... + 14742667.

It is an arithmetic number, because the mean of its divisors is an integer number (132683859).

Almost surely, 2^501250117 is an apocalyptic number.

It is an amenable number.

501250117 is a deficient number, since it is larger than the sum of its proper divisors (29485319).

501250117 is a wasteful number, since it uses less digits than its factorization.

501250117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29485318.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 501250117 is about 22388.6157901734. The cubic root of 501250117 is about 794.3614544781.

The spelling of 501250117 in words is "five hundred one million, two hundred fifty thousand, one hundred seventeen".