354230405 has 4 divisors (see below), whose sum is σ = 425076492. Its totient is φ = 283384320.

The previous prime is 354230369. The next prime is 354230423. The reversal of 354230405 is 504032453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 277089316 + 77141089 = 16646^2 + 8783^2 .

It is a de Polignac number, because none of the positive numbers 2^k-354230405 is a prime.

It is a super-3 number, since 3×354230405³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 35423036 + ... + 35423045.

It is an arithmetic number, because the mean of its divisors is an integer number (106269123).

Almost surely, 2^354230405 is an apocalyptic number.

It is an amenable number.

354230405 is a deficient number, since it is larger than the sum of its proper divisors (70846087).

354230405 is an equidigital number, since it uses as much as digits as its factorization.

354230405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70846086.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 354230405 is about 18821.0096700469. The cubic root of 354230405 is about 707.5578363404.

Adding to 354230405 its reverse (504032453), we get a palindrome (858262858).

The spelling of 354230405 in words is "three hundred fifty-four million, two hundred thirty thousand, four hundred five".