10308997 has 2 divisors, whose sum is σ = 10308998. Its totient is φ = 10308996.

The previous prime is 10308989. The next prime is 10309003. The reversal of 10308997 is 79980301.

10308997 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9326916 + 982081 = 3054^2 + 991^2 .

It is a cyclic number.

It is not a de Polignac number, because 10308997 - 2³ = 10308989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10308967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5154498 + 5154499.

It is an arithmetic number, because the mean of its divisors is an integer number (5154499).

Almost surely, 2^10308997 is an apocalyptic number.

It is an amenable number.

10308997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10308997 is an equidigital number, since it uses as much as digits as its factorization.

10308997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 10308997 is about 3210.7626819807. The cubic root of 10308997 is about 217.6400436889.

The spelling of 10308997 in words is "ten million, three hundred eight thousand, nine hundred ninety-seven".