1560243313 has 2 divisors, whose sum is σ = 1560243314. Its totient is φ = 1560243312.

The previous prime is 1560243277. The next prime is 1560243329. The reversal of 1560243313 is 3133420651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1494827569 + 65415744 = 38663^2 + 8088^2 .

It is an emirp because it is prime and its reverse (3133420651) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1560243313 is a prime.

It is a super-2 number, since 2×1560243313² = 4868718391522431938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1560247313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780121656 + 780121657.

It is an arithmetic number, because the mean of its divisors is an integer number (780121657).

Almost surely, 2^1560243313 is an apocalyptic number.

It is an amenable number.

1560243313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1560243313 is an equidigital number, since it uses as much as digits as its factorization.

1560243313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1560243313 is about 39499.9153543397. The cubic root of 1560243313 is about 1159.8382932039.

Adding to 1560243313 its reverse (3133420651), we get a palindrome (4693663964).

The spelling of 1560243313 in words is "one billion, five hundred sixty million, two hundred forty-three thousand, three hundred thirteen".