1455217313 has 4 divisors (see below), whose sum is σ = 1587509808. Its totient is φ = 1322924820.

The previous prime is 1455217249. The next prime is 1455217319. The reversal of 1455217313 is 3137125541.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3137125541 = 11 ⋅285193231.

It is a cyclic number.

It is not a de Polignac number, because 1455217313 - 2⁶ = 1455217249 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 1455217313.

It is not an unprimeable number, because it can be changed into a prime (1455217319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66146231 + ... + 66146252.

It is an arithmetic number, because the mean of its divisors is an integer number (396877452).

Almost surely, 2^1455217313 is an apocalyptic number.

It is an amenable number.

1455217313 is a deficient number, since it is larger than the sum of its proper divisors (132292495).

1455217313 is a wasteful number, since it uses less digits than its factorization.

1455217313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132292494.

The product of its digits is 12600, while the sum is 32.

The square root of 1455217313 is about 38147.3106915809. The cubic root of 1455217313 is about 1133.2070933110.

The spelling of 1455217313 in words is "one billion, four hundred fifty-five million, two hundred seventeen thousand, three hundred thirteen".