10300421 has 2 divisors, whose sum is σ = 10300422. Its totient is φ = 10300420.

The previous prime is 10300417. The next prime is 10300427. The reversal of 10300421 is 12400301.

It is a happy number.

10300421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8491396 + 1809025 = 2914^2 + 1345^2 .

It is a cyclic number.

It is not a de Polignac number, because 10300421 - 2² = 10300417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10300427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5150210 + 5150211.

It is an arithmetic number, because the mean of its divisors is an integer number (5150211).

Almost surely, 2^10300421 is an apocalyptic number.

It is an amenable number.

10300421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10300421 is an equidigital number, since it uses as much as digits as its factorization.

10300421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 10300421 is about 3209.4268958803. The cubic root of 10300421 is about 217.5796757460.

Adding to 10300421 its reverse (12400301), we get a palindrome (22700722).

The spelling of 10300421 in words is "ten million, three hundred thousand, four hundred twenty-one".