340413401 has 2 divisors, whose sum is σ = 340413402. Its totient is φ = 340413400.

The previous prime is 340413377. The next prime is 340413427. The reversal of 340413401 is 104314043.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334158400 + 6255001 = 18280^2 + 2501^2 .

It is an emirp because it is prime and its reverse (104314043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340413401 - 2¹⁰ = 340412377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (340410401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170206700 + 170206701.

It is an arithmetic number, because the mean of its divisors is an integer number (170206701).

Almost surely, 2^340413401 is an apocalyptic number.

It is an amenable number.

340413401 is a deficient number, since it is larger than the sum of its proper divisors (1).

340413401 is an equidigital number, since it uses as much as digits as its factorization.

340413401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 340413401 is about 18450.2954176891. The cubic root of 340413401 is about 698.2359671321.

Adding to 340413401 its reverse (104314043), we get a palindrome (444727444).

The spelling of 340413401 in words is "three hundred forty million, four hundred thirteen thousand, four hundred one".