10300621 has 2 divisors, whose sum is σ = 10300622. Its totient is φ = 10300620.

The previous prime is 10300583. The next prime is 10300627. The reversal of 10300621 is 12600301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5827396 + 4473225 = 2414^2 + 2115^2 .

It is a cyclic number.

It is not a de Polignac number, because 10300621 - 2¹¹ = 10298573 is a prime.

It is a super-2 number, since 2×10300621² = 212205585971282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10300627) 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, 5150310 + 5150311.

It is an arithmetic number, because the mean of its divisors is an integer number (5150311).

Almost surely, 2^10300621 is an apocalyptic number.

It is an amenable number.

10300621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10300621 is an equidigital number, since it uses as much as digits as its factorization.

10300621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 10300621 is about 3209.4580539399. The cubic root of 10300621 is about 217.5810839620.

Adding to 10300621 its reverse (12600301), we get a palindrome (22900922).

The spelling of 10300621 in words is "ten million, three hundred thousand, six hundred twenty-one".