516417001 has 4 divisors (see below), whose sum is σ = 526160772. Its totient is φ = 506673232.

The previous prime is 516416993. The next prime is 516417047. The reversal of 516417001 is 100714615.

It is a happy number.

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 350625625 + 165791376 = 18725^2 + 12876^2 .

It is a cyclic number.

It is not a de Polignac number, because 516417001 - 2³ = 516416993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516417101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4871806 + ... + 4871911.

It is an arithmetic number, because the mean of its divisors is an integer number (131540193).

Almost surely, 2^516417001 is an apocalyptic number.

It is an amenable number.

516417001 is a deficient number, since it is larger than the sum of its proper divisors (9743771).

516417001 is an equidigital number, since it uses as much as digits as its factorization.

516417001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9743770.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 516417001 is about 22724.8102522331. The cubic root of 516417001 is about 802.2939373813.

The spelling of 516417001 in words is "five hundred sixteen million, four hundred seventeen thousand, one".