1352005043245 has 4 divisors (see below), whose sum is σ = 1622406051900. Its totient is φ = 1081604034592.

The previous prime is 1352005043171. The next prime is 1352005043267. The reversal of 1352005043245 is 5423405002531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 698633520649 + 653371522596 = 835843^2 + 808314^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352005043245 - 2¹⁹ = 1352004518957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1352005043245.

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, 135200504320 + ... + 135200504329.

It is an arithmetic number, because the mean of its divisors is an integer number (405601512975).

Almost surely, 2^{1352005043245} is an apocalyptic number.

It is an amenable number.

1352005043245 is a deficient number, since it is larger than the sum of its proper divisors (270401008655).

1352005043245 is an equidigital number, since it uses as much as digits as its factorization.

1352005043245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270401008654.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 1352005043245 in words is "one trillion, three hundred fifty-two billion, five million, forty-three thousand, two hundred forty-five".