397705103 has 2 divisors, whose sum is σ = 397705104. Its totient is φ = 397705102.

The previous prime is 397705081. The next prime is 397705111. The reversal of 397705103 is 301507793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 397705103 - 2⁸ = 397704847 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 (397705153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198852551 + 198852552.

It is an arithmetic number, because the mean of its divisors is an integer number (198852552).

Almost surely, 2^397705103 is an apocalyptic number.

397705103 is a deficient number, since it is larger than the sum of its proper divisors (1).

397705103 is an equidigital number, since it uses as much as digits as its factorization.

397705103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 397705103 is about 19942.5450482129. The cubic root of 397705103 is about 735.3945175580.

The spelling of 397705103 in words is "three hundred ninety-seven million, seven hundred five thousand, one hundred three".