340405601 has 2 divisors, whose sum is σ = 340405602. Its totient is φ = 340405600.

The previous prime is 340405561. The next prime is 340405613. The reversal of 340405601 is 106504043.

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., 340365601 + 40000 = 18449^2 + 200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340405601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (340405621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170202800 + 170202801.

It is an arithmetic number, because the mean of its divisors is an integer number (170202801).

Almost surely, 2^340405601 is an apocalyptic number.

It is an amenable number.

340405601 is a deficient number, since it is larger than the sum of its proper divisors (1).

340405601 is an equidigital number, since it uses as much as digits as its factorization.

340405601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 340405601 is about 18450.0840377490. The cubic root of 340405601 is about 698.2306341242.

Adding to 340405601 its reverse (106504043), we get a palindrome (446909644).

The spelling of 340405601 in words is "three hundred forty million, four hundred five thousand, six hundred one".