64300421 has 2 divisors, whose sum is σ = 64300422. Its totient is φ = 64300420.

The previous prime is 64300399. The next prime is 64300429. The reversal of 64300421 is 12400346.

It is a happy number.

64300421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54967396 + 9333025 = 7414^2 + 3055^2 .

It is a cyclic number.

It is not a de Polignac number, because 64300421 - 2¹⁰ = 64299397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64300393 and 64300402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64300429) 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, 32150210 + 32150211.

It is an arithmetic number, because the mean of its divisors is an integer number (32150211).

Almost surely, 2^64300421 is an apocalyptic number.

It is an amenable number.

64300421 is a deficient number, since it is larger than the sum of its proper divisors (1).

64300421 is an equidigital number, since it uses as much as digits as its factorization.

64300421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 64300421 is about 8018.7543296949. The cubic root of 64300421 is about 400.6249003239.

Adding to 64300421 its reverse (12400346), we get a palindrome (76700767).

The spelling of 64300421 in words is "sixty-four million, three hundred thousand, four hundred twenty-one".