52300421 has 2 divisors, whose sum is σ = 52300422. Its totient is φ = 52300420.

The previous prime is 52300411. The next prime is 52300429. The reversal of 52300421 is 12400325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33930625 + 18369796 = 5825^2 + 4286^2 .

It is a cyclic number.

It is not a de Polignac number, because 52300421 - 2⁶ = 52300357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52300421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52300429) 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, 26150210 + 26150211.

It is an arithmetic number, because the mean of its divisors is an integer number (26150211).

Almost surely, 2^52300421 is an apocalyptic number.

It is an amenable number.

52300421 is a deficient number, since it is larger than the sum of its proper divisors (1).

52300421 is an equidigital number, since it uses as much as digits as its factorization.

52300421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 52300421 is about 7231.9029999026. The cubic root of 52300421 is about 373.9685337707.

Adding to 52300421 its reverse (12400325), we get a palindrome (64700746).

The spelling of 52300421 in words is "fifty-two million, three hundred thousand, four hundred twenty-one".