1305250505252 has 12 divisors (see below), whose sum is σ = 2284461899916. Its totient is φ = 652547105280.

The previous prime is 1305250505249. The next prime is 1305250505291. The reversal of 1305250505252 is 2525050525031.

It can be written as a sum of positive squares in 2 ways, for example, as 1124605104676 + 180645400576 = 1060474^2 + 425024^2 .

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, 19499249 + ... + 19566072.

It is an arithmetic number, because the mean of its divisors is an integer number (190371824993).

Almost surely, 2^{1305250505252} is an apocalyptic number.

It is an amenable number.

1305250505252 is a deficient number, since it is larger than the sum of its proper divisors (979211394664).

1305250505252 is a wasteful number, since it uses less digits than its factorization.

1305250505252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39073678 (or 39073676 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 1305250505252 in words is "one trillion, three hundred five billion, two hundred fifty million, five hundred five thousand, two hundred fifty-two".