1413603221 has 2 divisors, whose sum is σ = 1413603222. Its totient is φ = 1413603220.

The previous prime is 1413603197. The next prime is 1413603259. The reversal of 1413603221 is 1223063141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 992943121 + 420660100 = 31511^2 + 20510^2 .

It is a cyclic number.

It is not a de Polignac number, because 1413603221 - 2⁶ = 1413603157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1413683221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706801610 + 706801611.

It is an arithmetic number, because the mean of its divisors is an integer number (706801611).

Almost surely, 2^1413603221 is an apocalyptic number.

It is an amenable number.

1413603221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1413603221 is an equidigital number, since it uses as much as digits as its factorization.

1413603221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1413603221 is about 37597.9151150699. The cubic root of 1413603221 is about 1122.3005489844.

Adding to 1413603221 its reverse (1223063141), we get a palindrome (2636666362).

The spelling of 1413603221 in words is "one billion, four hundred thirteen million, six hundred three thousand, two hundred twenty-one".