10237861 has 2 divisors, whose sum is σ = 10237862. Its totient is φ = 10237860.

The previous prime is 10237853. The next prime is 10237879. The reversal of 10237861 is 16873201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10144225 + 93636 = 3185^2 + 306^2 .

It is a cyclic number.

It is not a de Polignac number, because 10237861 - 2³ = 10237853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10237831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5118930 + 5118931.

It is an arithmetic number, because the mean of its divisors is an integer number (5118931).

Almost surely, 2^10237861 is an apocalyptic number.

It is an amenable number.

10237861 is a deficient number, since it is larger than the sum of its proper divisors (1).

10237861 is an equidigital number, since it uses as much as digits as its factorization.

10237861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 10237861 is about 3199.6657637947. The cubic root of 10237861 is about 217.1382881203.

The spelling of 10237861 in words is "ten million, two hundred thirty-seven thousand, eight hundred sixty-one".