346405201 has 2 divisors, whose sum is σ = 346405202. Its totient is φ = 346405200.

The previous prime is 346405127. The next prime is 346405217. The reversal of 346405201 is 102504643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324540225 + 21864976 = 18015^2 + 4676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346405201 is a prime.

It is not a weakly prime, because it can be changed into another prime (346405601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173202600 + 173202601.

It is an arithmetic number, because the mean of its divisors is an integer number (173202601).

Almost surely, 2^346405201 is an apocalyptic number.

It is an amenable number.

346405201 is a deficient number, since it is larger than the sum of its proper divisors (1).

346405201 is an equidigital number, since it uses as much as digits as its factorization.

346405201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 346405201 is about 18611.9639210912. The cubic root of 346405201 is about 702.3088395497.

Adding to 346405201 its reverse (102504643), we get a palindrome (448909844).

The spelling of 346405201 in words is "three hundred forty-six million, four hundred five thousand, two hundred one".