1305164453 has 2 divisors, whose sum is σ = 1305164454. Its totient is φ = 1305164452.

The previous prime is 1305164447. The next prime is 1305164461. The reversal of 1305164453 is 3544615031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 941385124 + 363779329 = 30682^2 + 19073^2 .

It is a cyclic number.

It is not a de Polignac number, because 1305164453 - 2⁴ = 1305164437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1305164753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652582226 + 652582227.

It is an arithmetic number, because the mean of its divisors is an integer number (652582227).

Almost surely, 2^1305164453 is an apocalyptic number.

It is an amenable number.

1305164453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305164453 is an equidigital number, since it uses as much as digits as its factorization.

1305164453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1305164453 is about 36127.0598443881. The cubic root of 1305164453 is about 1092.8362163405.

Adding to 1305164453 its reverse (3544615031), we get a palindrome (4849779484).

The spelling of 1305164453 in words is "one billion, three hundred five million, one hundred sixty-four thousand, four hundred fifty-three".