8245997 has 2 divisors, whose sum is σ = 8245998. Its totient is φ = 8245996.

The previous prime is 8245973. The next prime is 8246023. The reversal of 8245997 is 7995428.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8213956 + 32041 = 2866^2 + 179^2 .

It is a cyclic number.

It is not a de Polignac number, because 8245997 - 2¹² = 8241901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8245927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4122998 + 4122999.

It is an arithmetic number, because the mean of its divisors is an integer number (4122999).

Almost surely, 2^8245997 is an apocalyptic number.

It is an amenable number.

8245997 is a deficient number, since it is larger than the sum of its proper divisors (1).

8245997 is an equidigital number, since it uses as much as digits as its factorization.

8245997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 44.

The square root of 8245997 is about 2871.5844058638. The cubic root of 8245997 is about 202.0293147666.

The spelling of 8245997 in words is "eight million, two hundred forty-five thousand, nine hundred ninety-seven".