1345012033 has 4 divisors (see below), whose sum is σ = 1415802160. Its totient is φ = 1274221908.

The previous prime is 1345011989. The next prime is 1345012043. The reversal of 1345012033 is 3302105431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1345012033 - 2¹⁷ = 1344880961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345011995 and 1345012013.

It is not an unprimeable number, because it can be changed into a prime (1345012043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35395035 + ... + 35395072.

It is an arithmetic number, because the mean of its divisors is an integer number (353950540).

Almost surely, 2^1345012033 is an apocalyptic number.

It is an amenable number.

1345012033 is a deficient number, since it is larger than the sum of its proper divisors (70790127).

1345012033 is an equidigital number, since it uses as much as digits as its factorization.

1345012033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70790126.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1345012033 is about 36674.4056938896. The cubic root of 1345012033 is about 1103.8465973164.

Adding to 1345012033 its reverse (3302105431), we get a palindrome (4647117464).

The spelling of 1345012033 in words is "one billion, three hundred forty-five million, twelve thousand, thirty-three".