1565340313 has 8 divisors (see below), whose sum is σ = 1582816032. Its totient is φ = 1547892096.

The previous prime is 1565340307. The next prime is 1565340323. The reversal of 1565340313 is 3130435651.

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 1565340313 - 2⁵ = 1565340281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1565340323) 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, 120606 + ... + 132952.

It is an arithmetic number, because the mean of its divisors is an integer number (197852004).

Almost surely, 2^1565340313 is an apocalyptic number.

It is an amenable number.

1565340313 is a deficient number, since it is larger than the sum of its proper divisors (17475719).

1565340313 is a wasteful number, since it uses less digits than its factorization.

1565340313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13751.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 1565340313 is about 39564.3818730939. The cubic root of 1565340313 is about 1161.0999062592.

Adding to 1565340313 its reverse (3130435651), we get a palindrome (4695775964).

The spelling of 1565340313 in words is "one billion, five hundred sixty-five million, three hundred forty thousand, three hundred thirteen".