354421433 has 2 divisors, whose sum is σ = 354421434. Its totient is φ = 354421432.

The previous prime is 354421429. The next prime is 354421439. The reversal of 354421433 is 334124453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 353552809 + 868624 = 18803^2 + 932^2 .

It is a cyclic number.

It is not a de Polignac number, because 354421433 - 2² = 354421429 is a prime.

It is a super-2 number, since 2×354421433² = 251229104339546978, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 354421396 and 354421405.

It is not a weakly prime, because it can be changed into another prime (354421439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177210716 + 177210717.

It is an arithmetic number, because the mean of its divisors is an integer number (177210717).

Almost surely, 2^354421433 is an apocalyptic number.

It is an amenable number.

354421433 is a deficient number, since it is larger than the sum of its proper divisors (1).

354421433 is an equidigital number, since it uses as much as digits as its factorization.

354421433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 29.

The square root of 354421433 is about 18826.0838466209. The cubic root of 354421433 is about 707.6850031664.

Adding to 354421433 its reverse (334124453), we get a palindrome (688545886).

The spelling of 354421433 in words is "three hundred fifty-four million, four hundred twenty-one thousand, four hundred thirty-three".