141415321 has 2 divisors, whose sum is σ = 141415322. Its totient is φ = 141415320.

The previous prime is 141415301. The next prime is 141415327. The reversal of 141415321 is 123514141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120209296 + 21206025 = 10964^2 + 4605^2 .

It is a cyclic number.

It is not a de Polignac number, because 141415321 - 2¹¹ = 141413273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141415292 and 141415301.

It is not a weakly prime, because it can be changed into another prime (141415327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70707660 + 70707661.

It is an arithmetic number, because the mean of its divisors is an integer number (70707661).

Almost surely, 2^141415321 is an apocalyptic number.

It is an amenable number.

141415321 is a deficient number, since it is larger than the sum of its proper divisors (1).

141415321 is an equidigital number, since it uses as much as digits as its factorization.

141415321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 22.

The square root of 141415321 is about 11891.8173968490. The cubic root of 141415321 is about 520.9933195185.

Adding to 141415321 its reverse (123514141), we get a palindrome (264929462).

The spelling of 141415321 in words is "one hundred forty-one million, four hundred fifteen thousand, three hundred twenty-one".