517608001 has 3 divisors (see below), whose sum is σ = 517630753. Its totient is φ = 517585250.

The previous prime is 517607999. The next prime is 517608029. The reversal of 517608001 is 100806715.

It is a happy number.

The square root of 517608001 is 22751.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 100806715 = 5 ⋅20161343.

It is not a de Polignac number, because 517608001 - 2¹ = 517607999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (517608101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11376 + ... + 34126.

Almost surely, 2^517608001 is an apocalyptic number.

517608001 is the 22751-st square number.

517608001 is the 11376-th centered octagonal number.

It is an amenable number.

517608001 is a deficient number, since it is larger than the sum of its proper divisors (22752).

517608001 is an frugal number, since it uses more digits than its factorization.

517608001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45502 (or 22751 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The cubic root of 517608001 is about 802.9102341878.

The spelling of 517608001 in words is "five hundred seventeen million, six hundred eight thousand, one".