351666851 has 2 divisors, whose sum is σ = 351666852. Its totient is φ = 351666850.

The previous prime is 351666829. The next prime is 351666859. The reversal of 351666851 is 158666153.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 351666851 - 2¹⁰ = 351665827 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 351666799 and 351666808.

It is not a weakly prime, because it can be changed into another prime (351666859) 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 as a sum of consecutive naturals, namely, 175833425 + 175833426.

It is an arithmetic number, because the mean of its divisors is an integer number (175833426).

Almost surely, 2^351666851 is an apocalyptic number.

351666851 is a deficient number, since it is larger than the sum of its proper divisors (1).

351666851 is an equidigital number, since it uses as much as digits as its factorization.

351666851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 41.

The square root of 351666851 is about 18752.7824868738. The cubic root of 351666851 is about 705.8468444778.

The spelling of 351666851 in words is "three hundred fifty-one million, six hundred sixty-six thousand, eight hundred fifty-one".