10421863 has 2 divisors, whose sum is σ = 10421864. Its totient is φ = 10421862.

The previous prime is 10421837. The next prime is 10421881. The reversal of 10421863 is 36812401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10421863 - 2¹³ = 10413671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10421893) 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, 5210931 + 5210932.

It is an arithmetic number, because the mean of its divisors is an integer number (5210932).

Almost surely, 2^10421863 is an apocalyptic number.

10421863 is a deficient number, since it is larger than the sum of its proper divisors (1).

10421863 is an equidigital number, since it uses as much as digits as its factorization.

10421863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 10421863 is about 3228.2910339683. The cubic root of 10421863 is about 218.4314254694.

The spelling of 10421863 in words is "ten million, four hundred twenty-one thousand, eight hundred sixty-three".