340445201 has 4 divisors (see below), whose sum is σ = 340536804. Its totient is φ = 340353600.

The previous prime is 340445191. The next prime is 340445219. The reversal of 340445201 is 102544043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102544043 = 7 ⋅14649149.

It can be written as a sum of positive squares in 2 ways, for example, as 158734801 + 181710400 = 12599^2 + 13480^2 .

It is a cyclic number.

It is not a de Polignac number, because 340445201 - 2¹⁰ = 340444177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340448201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39980 + ... + 47741.

It is an arithmetic number, because the mean of its divisors is an integer number (85134201).

Almost surely, 2^340445201 is an apocalyptic number.

It is an amenable number.

340445201 is a deficient number, since it is larger than the sum of its proper divisors (91603).

340445201 is an equidigital number, since it uses as much as digits as its factorization.

340445201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91602.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 340445201 is about 18451.1571723835. The cubic root of 340445201 is about 698.2577085523.

Adding to 340445201 its reverse (102544043), we get a palindrome (442989244).

The spelling of 340445201 in words is "three hundred forty million, four hundred forty-five thousand, two hundred one".