971903 has 2 divisors, whose sum is σ = 971904. Its totient is φ = 971902.

The previous prime is 971899. The next prime is 971917. The reversal of 971903 is 309179.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 971903 - 2² = 971899 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485951 + 485952.

It is an arithmetic number, because the mean of its divisors is an integer number (485952).

2⁹⁷¹⁹⁰³ is an apocalyptic number.

971903 is a deficient number, since it is larger than the sum of its proper divisors (1).

971903 is an equidigital number, since it uses as much as digits as its factorization.

971903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 971903 is about 985.8514086819. The cubic root of 971903 is about 99.0545222241.

The spelling of 971903 in words is "nine hundred seventy-one thousand, nine hundred three".