343951 has 2 divisors, whose sum is σ = 343952. Its totient is φ = 343950.

The previous prime is 343943. The next prime is 343963. The reversal of 343951 is 159343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343951 - 2³ = 343943 is a prime.

343951 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343901) 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, 171975 + 171976.

It is an arithmetic number, because the mean of its divisors is an integer number (171976).

2³⁴³⁹⁵¹ is an apocalyptic number.

343951 is a deficient number, since it is larger than the sum of its proper divisors (1).

343951 is an equidigital number, since it uses as much as digits as its factorization.

343951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 25.

The square root of 343951 is about 586.4733583037. The cubic root of 343951 is about 70.0646341795.

The spelling of 343951 in words is "three hundred forty-three thousand, nine hundred fifty-one".