354102403 has 2 divisors, whose sum is σ = 354102404. Its totient is φ = 354102402.

The previous prime is 354102323. The next prime is 354102407. The reversal of 354102403 is 304201453.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354102403 is a prime.

It is not a weakly prime, because it can be changed into another prime (354102407) 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, 177051201 + 177051202.

It is an arithmetic number, because the mean of its divisors is an integer number (177051202).

Almost surely, 2^354102403 is an apocalyptic number.

354102403 is a deficient number, since it is larger than the sum of its proper divisors (1).

354102403 is an equidigital number, since it uses as much as digits as its factorization.

354102403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 354102403 is about 18817.6088544746. The cubic root of 354102403 is about 707.4726001700.

Adding to 354102403 its reverse (304201453), we get a palindrome (658303856).

The spelling of 354102403 in words is "three hundred fifty-four million, one hundred two thousand, four hundred three".