97971403 has 2 divisors, whose sum is σ = 97971404. Its totient is φ = 97971402.

The previous prime is 97971397. The next prime is 97971407. The reversal of 97971403 is 30417979.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97971403 - 2⁵ = 97971371 is a prime.

It is not a weakly prime, because it can be changed into another prime (97971407) 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, 48985701 + 48985702.

It is an arithmetic number, because the mean of its divisors is an integer number (48985702).

Almost surely, 2^97971403 is an apocalyptic number.

97971403 is a deficient number, since it is larger than the sum of its proper divisors (1).

97971403 is an equidigital number, since it uses as much as digits as its factorization.

97971403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 97971403 is about 9898.0504646117. The cubic root of 97971403 is about 460.9987797252.

The spelling of 97971403 in words is "ninety-seven million, nine hundred seventy-one thousand, four hundred three".