354401603 has 2 divisors, whose sum is σ = 354401604. Its totient is φ = 354401602.

The previous prime is 354401557. The next prime is 354401611. The reversal of 354401603 is 306104453.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354401603 - 2⁶ = 354401539 is a prime.

It is not a weakly prime, because it can be changed into another prime (354401653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177200801 + 177200802.

It is an arithmetic number, because the mean of its divisors is an integer number (177200802).

Almost surely, 2^354401603 is an apocalyptic number.

354401603 is a deficient number, since it is larger than the sum of its proper divisors (1).

354401603 is an equidigital number, since it uses as much as digits as its factorization.

354401603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 354401603 is about 18825.5571763494. The cubic root of 354401603 is about 707.6718045145.

The spelling of 354401603 in words is "three hundred fifty-four million, four hundred one thousand, six hundred three".