1345624313 has 8 divisors (see below), whose sum is σ = 1482489216. Its totient is φ = 1211182000.

The previous prime is 1345624297. The next prime is 1345624363. The reversal of 1345624313 is 3134265431.

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

It is a cyclic number.

It is not a de Polignac number, because 1345624313 - 2⁴ = 1345624297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1345624313.

It is not an unprimeable number, because it can be changed into a prime (1345624363) 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, 604481 + ... + 606702.

It is an arithmetic number, because the mean of its divisors is an integer number (185311152).

Almost surely, 2^1345624313 is an apocalyptic number.

It is an amenable number.

1345624313 is a deficient number, since it is larger than the sum of its proper divisors (136864903).

1345624313 is a wasteful number, since it uses less digits than its factorization.

1345624313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211295.

The product of its digits is 25920, while the sum is 32.

The square root of 1345624313 is about 36682.7522549767. The cubic root of 1345624313 is about 1104.0140705801.

Adding to 1345624313 its reverse (3134265431), we get a palindrome (4479889744).

The spelling of 1345624313 in words is "one billion, three hundred forty-five million, six hundred twenty-four thousand, three hundred thirteen".