1345344001 has 4 divisors (see below), whose sum is σ = 1416151600. Its totient is φ = 1274536404.

The previous prime is 1345343969. The next prime is 1345344023. The reversal of 1345344001 is 1004435431.

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 1345344001 - 2⁵ = 1345343969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345344041) 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, 35403771 + ... + 35403808.

It is an arithmetic number, because the mean of its divisors is an integer number (354037900).

Almost surely, 2^1345344001 is an apocalyptic number.

It is an amenable number.

1345344001 is a deficient number, since it is larger than the sum of its proper divisors (70807599).

1345344001 is an equidigital number, since it uses as much as digits as its factorization.

1345344001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70807598.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1345344001 is about 36678.9312957725. The cubic root of 1345344001 is about 1103.9374048320.

Adding to 1345344001 its reverse (1004435431), we get a palindrome (2349779432).

The spelling of 1345344001 in words is "one billion, three hundred forty-five million, three hundred forty-four thousand, one".