8445251 has 2 divisors, whose sum is σ = 8445252. Its totient is φ = 8445250.

The previous prime is 8445161. The next prime is 8445259. The reversal of 8445251 is 1525448.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8445251 - 2¹⁴ = 8428867 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8445259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4222625 + 4222626.

It is an arithmetic number, because the mean of its divisors is an integer number (4222626).

Almost surely, 2^8445251 is an apocalyptic number.

8445251 is a deficient number, since it is larger than the sum of its proper divisors (1).

8445251 is an equidigital number, since it uses as much as digits as its factorization.

8445251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6400, while the sum is 29.

The square root of 8445251 is about 2906.0714031145. The cubic root of 8445251 is about 203.6436412793.

The spelling of 8445251 in words is "eight million, four hundred forty-five thousand, two hundred fifty-one".