10239851 has 2 divisors, whose sum is σ = 10239852. Its totient is φ = 10239850.

The previous prime is 10239847. The next prime is 10239869. The reversal of 10239851 is 15893201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10239851 - 2² = 10239847 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10239881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5119925 + 5119926.

It is an arithmetic number, because the mean of its divisors is an integer number (5119926).

Almost surely, 2^10239851 is an apocalyptic number.

10239851 is a deficient number, since it is larger than the sum of its proper divisors (1).

10239851 is an equidigital number, since it uses as much as digits as its factorization.

10239851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 10239851 is about 3199.9767186653. The cubic root of 10239851 is about 217.1523560719.

The spelling of 10239851 in words is "ten million, two hundred thirty-nine thousand, eight hundred fifty-one".