354323213 has 2 divisors, whose sum is σ = 354323214. Its totient is φ = 354323212.

The previous prime is 354323183. The next prime is 354323279. The reversal of 354323213 is 312323453.

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., 353327209 + 996004 = 18797^2 + 998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354323213 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354323293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177161606 + 177161607.

It is an arithmetic number, because the mean of its divisors is an integer number (177161607).

Almost surely, 2^354323213 is an apocalyptic number.

It is an amenable number.

354323213 is a deficient number, since it is larger than the sum of its proper divisors (1).

354323213 is an equidigital number, since it uses as much as digits as its factorization.

354323213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 26.

The square root of 354323213 is about 18823.4750511164. The cubic root of 354323213 is about 707.6196240852.

Adding to 354323213 its reverse (312323453), we get a palindrome (666646666).

The spelling of 354323213 in words is "three hundred fifty-four million, three hundred twenty-three thousand, two hundred thirteen".