9825251 has 2 divisors, whose sum is σ = 9825252. Its totient is φ = 9825250.

The previous prime is 9825247. The next prime is 9825253. The reversal of 9825251 is 1525289.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9825251 - 2² = 9825247 is a prime.

Together with 9825253, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (9825253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4912625 + 4912626.

It is an arithmetic number, because the mean of its divisors is an integer number (4912626).

Almost surely, 2^9825251 is an apocalyptic number.

9825251 is a deficient number, since it is larger than the sum of its proper divisors (1).

9825251 is an equidigital number, since it uses as much as digits as its factorization.

9825251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 32.

The square root of 9825251 is about 3134.5256419433. The cubic root of 9825251 is about 214.1811361243.

The spelling of 9825251 in words is "nine million, eight hundred twenty-five thousand, two hundred fifty-one".