343287401 has 2 divisors, whose sum is σ = 343287402. Its totient is φ = 343287400.

The previous prime is 343287377. The next prime is 343287403. The reversal of 343287401 is 104782343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221295376 + 121992025 = 14876^2 + 11045^2 .

It is an emirp because it is prime and its reverse (104782343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343287401 - 2⁶ = 343287337 is a prime.

Together with 343287403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (343287403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171643700 + 171643701.

It is an arithmetic number, because the mean of its divisors is an integer number (171643701).

Almost surely, 2^343287401 is an apocalyptic number.

It is an amenable number.

343287401 is a deficient number, since it is larger than the sum of its proper divisors (1).

343287401 is an equidigital number, since it uses as much as digits as its factorization.

343287401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 343287401 is about 18528.0166504675. The cubic root of 343287401 is about 700.1954563033.

The spelling of 343287401 in words is "three hundred forty-three million, two hundred eighty-seven thousand, four hundred one".