340432241 has 2 divisors, whose sum is σ = 340432242. Its totient is φ = 340432240.

The previous prime is 340432237. The next prime is 340432289. The reversal of 340432241 is 142234043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299151616 + 41280625 = 17296^2 + 6425^2 .

It is a cyclic number.

It is not a de Polignac number, because 340432241 - 2² = 340432237 is a prime.

It is a super-2 number, since 2×340432241² = 231788221424564162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (340432441) 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, 170216120 + 170216121.

It is an arithmetic number, because the mean of its divisors is an integer number (170216121).

Almost surely, 2^340432241 is an apocalyptic number.

It is an amenable number.

340432241 is a deficient number, since it is larger than the sum of its proper divisors (1).

340432241 is an equidigital number, since it uses as much as digits as its factorization.

340432241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 340432241 is about 18450.8059715558. The cubic root of 340432241 is about 698.2488480615.

Adding to 340432241 its reverse (142234043), we get a palindrome (482666284).

The spelling of 340432241 in words is "three hundred forty million, four hundred thirty-two thousand, two hundred forty-one".