10197491 has 2 divisors, whose sum is σ = 10197492. Its totient is φ = 10197490.

The previous prime is 10197469. The next prime is 10197497. The reversal of 10197491 is 19479101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10197491 - 2⁶ = 10197427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10197497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5098745 + 5098746.

It is an arithmetic number, because the mean of its divisors is an integer number (5098746).

Almost surely, 2^10197491 is an apocalyptic number.

10197491 is a deficient number, since it is larger than the sum of its proper divisors (1).

10197491 is an equidigital number, since it uses as much as digits as its factorization.

10197491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 10197491 is about 3193.3510611895. The cubic root of 10197491 is about 216.8525051206.

The spelling of 10197491 in words is "ten million, one hundred ninety-seven thousand, four hundred ninety-one".