10099997 has 2 divisors, whose sum is σ = 10099998. Its totient is φ = 10099996.

The previous prime is 10099979. The next prime is 10100009. The reversal of 10099997 is 79999001.

10099997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (10099979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6791236 + 3308761 = 2606^2 + 1819^2 .

It is a cyclic number.

It is not a de Polignac number, because 10099997 - 2⁶ = 10099933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10099907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5049998 + 5049999.

It is an arithmetic number, because the mean of its divisors is an integer number (5049999).

Almost surely, 2^10099997 is an apocalyptic number.

It is an amenable number.

10099997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10099997 is an equidigital number, since it uses as much as digits as its factorization.

10099997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45927, while the sum is 44.

The square root of 10099997 is about 3178.0492444265. The cubic root of 10099997 is about 216.1592118926.

The spelling of 10099997 in words is "ten million, ninety-nine thousand, nine hundred ninety-seven".