517426001 has 2 divisors, whose sum is σ = 517426002. Its totient is φ = 517426000.

The previous prime is 517425989. The next prime is 517426003. The reversal of 517426001 is 100624715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 407070976 + 110355025 = 20176^2 + 10505^2 .

It is a cyclic number.

It is not a de Polignac number, because 517426001 - 2¹⁴ = 517409617 is a prime.

It is a Sophie Germain prime.

Together with 517426003, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (517426003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258713000 + 258713001.

It is an arithmetic number, because the mean of its divisors is an integer number (258713001).

Almost surely, 2^517426001 is an apocalyptic number.

It is an amenable number.

517426001 is a deficient number, since it is larger than the sum of its proper divisors (1).

517426001 is an equidigital number, since it uses as much as digits as its factorization.

517426001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 517426001 is about 22746.9998241526. Note that the first 3 decimals coincide. The cubic root of 517426001 is about 802.8161174090.

The spelling of 517426001 in words is "five hundred seventeen million, four hundred twenty-six thousand, one".