1345530005 has 8 divisors (see below), whose sum is σ = 1654017624. Its totient is φ = 1050169600.

The previous prime is 1345530001. The next prime is 1345530007. The reversal of 1345530005 is 5000355431.

It can be written as a sum of positive squares in 4 ways, for example, as 20133169 + 1325396836 = 4487^2 + 36406^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1345530005 - 2² = 1345530001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345530001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3281576 + ... + 3281985.

It is an arithmetic number, because the mean of its divisors is an integer number (206752203).

Almost surely, 2^1345530005 is an apocalyptic number.

It is an amenable number.

1345530005 is a deficient number, since it is larger than the sum of its proper divisors (308487619).

1345530005 is an equidigital number, since it uses as much as digits as its factorization.

1345530005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6563607.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 1345530005 is about 36681.4667781974. The cubic root of 1345530005 is about 1103.9882783907.

Adding to 1345530005 its reverse (5000355431), we get a palindrome (6345885436).

The spelling of 1345530005 in words is "one billion, three hundred forty-five million, five hundred thirty thousand, five".