353897903 has 2 divisors, whose sum is σ = 353897904. Its totient is φ = 353897902.

The previous prime is 353897879. The next prime is 353897911. The reversal of 353897903 is 309798353.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 353897903 - 2⁸ = 353897647 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 (353897923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176948951 + 176948952.

It is an arithmetic number, because the mean of its divisors is an integer number (176948952).

Almost surely, 2^353897903 is an apocalyptic number.

353897903 is a deficient number, since it is larger than the sum of its proper divisors (1).

353897903 is an equidigital number, since it uses as much as digits as its factorization.

353897903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 353897903 is about 18812.1743294070. The cubic root of 353897903 is about 707.3363815641.

The spelling of 353897903 in words is "three hundred fifty-three million, eight hundred ninety-seven thousand, nine hundred three".