10421417 has 2 divisors, whose sum is σ = 10421418. Its totient is φ = 10421416.

The previous prime is 10421413. The next prime is 10421429. The reversal of 10421417 is 71412401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7123561 + 3297856 = 2669^2 + 1816^2 .

It is a cyclic number.

It is not a de Polignac number, because 10421417 - 2² = 10421413 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10421413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210708 + 5210709.

It is an arithmetic number, because the mean of its divisors is an integer number (5210709).

Almost surely, 2^10421417 is an apocalyptic number.

It is an amenable number.

10421417 is a deficient number, since it is larger than the sum of its proper divisors (1).

10421417 is an equidigital number, since it uses as much as digits as its factorization.

10421417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 10421417 is about 3228.2219564336. The cubic root of 10421417 is about 218.4283095261.

Adding to 10421417 its reverse (71412401), we get a palindrome (81833818).

The spelling of 10421417 in words is "ten million, four hundred twenty-one thousand, four hundred seventeen".