354034403 has 2 divisors, whose sum is σ = 354034404. Its totient is φ = 354034402.

The previous prime is 354034399. The next prime is 354034427. The reversal of 354034403 is 304430453.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354034403 - 2² = 354034399 is a prime.

It is a Chen prime.

It is equal to p_19008431 and since 354034403 and 19008431 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (354034433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177017201 + 177017202.

It is an arithmetic number, because the mean of its divisors is an integer number (177017202).

Almost surely, 2^354034403 is an apocalyptic number.

354034403 is a deficient number, since it is larger than the sum of its proper divisors (1).

354034403 is an equidigital number, since it uses as much as digits as its factorization.

354034403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 354034403 is about 18815.8019494254. The cubic root of 354034403 is about 707.4273108072.

Adding to 354034403 its reverse (304430453), we get a palindrome (658464856).

The spelling of 354034403 in words is "three hundred fifty-four million, thirty-four thousand, four hundred three".