1552117313 has 8 divisors (see below), whose sum is σ = 1574135400. Its totient is φ = 1530119808.

The previous prime is 1552117291. The next prime is 1552117321. The reversal of 1552117313 is 3137112551.

It can be written as a sum of positive squares in 4 ways, for example, as 500282689 + 1051834624 = 22367^2 + 32432^2 .

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 1552117313 - 2⁶ = 1552117249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552111313) 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, 208703 + ... + 216011.

It is an arithmetic number, because the mean of its divisors is an integer number (196766925).

Almost surely, 2^1552117313 is an apocalyptic number.

It is an amenable number.

1552117313 is a deficient number, since it is larger than the sum of its proper divisors (22018087).

1552117313 is an equidigital number, since it uses as much as digits as its factorization.

1552117313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10291.

The product of its digits is 3150, while the sum is 29.

The square root of 1552117313 is about 39396.9200953577. The cubic root of 1552117313 is about 1157.8212455120.

Adding to 1552117313 its reverse (3137112551), we get a palindrome (4689229864).

The spelling of 1552117313 in words is "one billion, five hundred fifty-two million, one hundred seventeen thousand, three hundred thirteen".