1411301621 has 2 divisors, whose sum is σ = 1411301622. Its totient is φ = 1411301620.

The previous prime is 1411301603. The next prime is 1411301651. The reversal of 1411301621 is 1261031141.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1129900996 + 281400625 = 33614^2 + 16775^2 .

It is a cyclic number.

It is not a de Polignac number, because 1411301621 - 2²⁶ = 1344192757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1411301593 and 1411301602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1411301651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705650810 + 705650811.

It is an arithmetic number, because the mean of its divisors is an integer number (705650811).

Almost surely, 2^1411301621 is an apocalyptic number.

It is an amenable number.

1411301621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1411301621 is an equidigital number, since it uses as much as digits as its factorization.

1411301621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1411301621 is about 37567.2945658854. The cubic root of 1411301621 is about 1121.6911158034.

Adding to 1411301621 its reverse (1261031141), we get a palindrome (2672332762).

The spelling of 1411301621 in words is "one billion, four hundred eleven million, three hundred one thousand, six hundred twenty-one".