1305241252052 has 12 divisors (see below), whose sum is σ = 2345906574900. Its totient is φ = 634982230656.

The previous prime is 1305241252037. The next prime is 1305241252061. The reversal of 1305241252052 is 2502521425031.

It can be written as a sum of positive squares in 2 ways, for example, as 768192649156 + 537048602896 = 876466^2 + 732836^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4409598677 + ... + 4409598972.

It is an arithmetic number, because the mean of its divisors is an integer number (195492214575).

Almost surely, 2^{1305241252052} is an apocalyptic number.

It is an amenable number.

1305241252052 is a deficient number, since it is larger than the sum of its proper divisors (1040665322848).

1305241252052 is a wasteful number, since it uses less digits than its factorization.

1305241252052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8819197690 (or 8819197688 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 1305241252052 its reverse (2502521425031), we get a palindrome (3807762677083).

The spelling of 1305241252052 in words is "one trillion, three hundred five billion, two hundred forty-one million, two hundred fifty-two thousand, fifty-two".