351667 has 2 divisors, whose sum is σ = 351668. Its totient is φ = 351666.

The previous prime is 351661. The next prime is 351691. The reversal of 351667 is 766153.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351667 is a prime.

It is a Chen prime.

351667 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (351661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175833 + 175834.

It is an arithmetic number, because the mean of its divisors is an integer number (175834).

2³⁵¹⁶⁶⁷ is an apocalyptic number.

351667 is a deficient number, since it is larger than the sum of its proper divisors (1).

351667 is an equidigital number, since it uses as much as digits as its factorization.

351667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 28.

The square root of 351667 is about 593.0151768716. The cubic root of 351667 is about 70.5846944166.

The spelling of 351667 in words is "three hundred fifty-one thousand, six hundred sixty-seven".