10421837 has 2 divisors, whose sum is σ = 10421838. Its totient is φ = 10421836.

The previous prime is 10421791. The next prime is 10421863. The reversal of 10421837 is 73812401.

10421837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (10421863) can be obtained adding 10421837 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9853321 + 568516 = 3139^2 + 754^2 .

It is a cyclic number.

It is not a de Polignac number, because 10421837 - 2⁸ = 10421581 is a prime.

It is a super-2 number, since 2×10421837² = 217229372909138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10471837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210918 + 5210919.

It is an arithmetic number, because the mean of its divisors is an integer number (5210919).

Almost surely, 2^10421837 is an apocalyptic number.

It is an amenable number.

10421837 is a deficient number, since it is larger than the sum of its proper divisors (1).

10421837 is an equidigital number, since it uses as much as digits as its factorization.

10421837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 10421837 is about 3228.2870070674. The cubic root of 10421837 is about 218.4312438250.

The spelling of 10421837 in words is "ten million, four hundred twenty-one thousand, eight hundred thirty-seven".