1305144053 has 2 divisors, whose sum is σ = 1305144054. Its totient is φ = 1305144052.

The previous prime is 1305143999. The next prime is 1305144079. The reversal of 1305144053 is 3504415031.

It is an a-pointer prime, because the next prime (1305144079) can be obtained adding 1305144053 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 713584369 + 591559684 = 26713^2 + 24322^2 .

It is a cyclic number.

It is not a de Polignac number, because 1305144053 - 2¹⁸ = 1304881909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1305144083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652572026 + 652572027.

It is an arithmetic number, because the mean of its divisors is an integer number (652572027).

Almost surely, 2^1305144053 is an apocalyptic number.

It is an amenable number.

1305144053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305144053 is an equidigital number, since it uses as much as digits as its factorization.

1305144053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1305144053 is about 36126.7775064425. Note that the first 3 decimals coincide. The cubic root of 1305144053 is about 1092.8305225561.

Adding to 1305144053 its reverse (3504415031), we get a palindrome (4809559084).

The spelling of 1305144053 in words is "one billion, three hundred five million, one hundred forty-four thousand, fifty-three".