1352540005 has 4 divisors (see below), whose sum is σ = 1623048012. Its totient is φ = 1082032000.

The previous prime is 1352539997. The next prime is 1352540011. The reversal of 1352540005 is 5000452531.

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 513974241 + 838565764 = 22671^2 + 28958^2 .

It is not a de Polignac number, because 1352540005 - 2³ = 1352539997 is a prime.

It is a Duffinian number.

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, 135253996 + ... + 135254005.

It is an arithmetic number, because the mean of its divisors is an integer number (405762003).

Almost surely, 2^1352540005 is an apocalyptic number.

It is an amenable number.

1352540005 is a deficient number, since it is larger than the sum of its proper divisors (270508007).

1352540005 is an equidigital number, since it uses as much as digits as its factorization.

1352540005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270508006.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1352540005 is about 36776.8949885659. The cubic root of 1352540005 is about 1105.9021604005.

Adding to 1352540005 its reverse (5000452531), we get a palindrome (6352992536).

The spelling of 1352540005 in words is "one billion, three hundred fifty-two million, five hundred forty thousand, five".