354640103 has 2 divisors, whose sum is σ = 354640104. Its totient is φ = 354640102.

The previous prime is 354640087. The next prime is 354640123. The reversal of 354640103 is 301046453.

It is a weak prime.

It is an emirp because it is prime and its reverse (301046453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354640103 - 2⁴ = 354640087 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354640123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177320051 + 177320052.

It is an arithmetic number, because the mean of its divisors is an integer number (177320052).

Almost surely, 2^354640103 is an apocalyptic number.

354640103 is a deficient number, since it is larger than the sum of its proper divisors (1).

354640103 is an equidigital number, since it uses as much as digits as its factorization.

354640103 is an evil number, because the sum of its binary digits is even.

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

The square root of 354640103 is about 18831.8905848563. The cubic root of 354640103 is about 707.8305151196.

Adding to 354640103 its reverse (301046453), we get a palindrome (655686556).

The spelling of 354640103 in words is "three hundred fifty-four million, six hundred forty thousand, one hundred three".