343451441 has 2 divisors, whose sum is σ = 343451442. Its totient is φ = 343451440.

The previous prime is 343451389. The next prime is 343451461. The reversal of 343451441 is 144154343.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342990400 + 461041 = 18520^2 + 679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343451441 is a prime.

It is a super-3 number, since 3×343451441³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (343451461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171725720 + 171725721.

It is an arithmetic number, because the mean of its divisors is an integer number (171725721).

Almost surely, 2^343451441 is an apocalyptic number.

It is an amenable number.

343451441 is a deficient number, since it is larger than the sum of its proper divisors (1).

343451441 is an equidigital number, since it uses as much as digits as its factorization.

343451441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 29.

The square root of 343451441 is about 18532.4429312490. The cubic root of 343451441 is about 700.3069680880.

The spelling of 343451441 in words is "three hundred forty-three million, four hundred fifty-one thousand, four hundred forty-one".