10421371 has 2 divisors, whose sum is σ = 10421372. Its totient is φ = 10421370.

The previous prime is 10421317. The next prime is 10421377. The reversal of 10421371 is 17312401.

Together with previous prime (10421317) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10421371 - 2²¹ = 8324219 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10421377) 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, 5210685 + 5210686.

It is an arithmetic number, because the mean of its divisors is an integer number (5210686).

Almost surely, 2^10421371 is an apocalyptic number.

10421371 is a deficient number, since it is larger than the sum of its proper divisors (1).

10421371 is an equidigital number, since it uses as much as digits as its factorization.

10421371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 10421371 is about 3228.2148317607. The cubic root of 10421371 is about 218.4279881457.

Adding to 10421371 its reverse (17312401), we get a palindrome (27733772).

The spelling of 10421371 in words is "ten million, four hundred twenty-one thousand, three hundred seventy-one".