45217313 has 4 divisors (see below), whose sum is σ = 46675968. Its totient is φ = 43758660.

The previous prime is 45217307. The next prime is 45217343. The reversal of 45217313 is 31371254.

45217313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 45217313 - 2¹⁴ = 45200929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45217343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729281 + ... + 729342.

It is an arithmetic number, because the mean of its divisors is an integer number (11668992).

Almost surely, 2^45217313 is an apocalyptic number.

It is an amenable number.

45217313 is a deficient number, since it is larger than the sum of its proper divisors (1458655).

45217313 is a wasteful number, since it uses less digits than its factorization.

45217313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458654.

The product of its digits is 2520, while the sum is 26.

The square root of 45217313 is about 6724.3819790372. The cubic root of 45217313 is about 356.2609735822.

Adding to 45217313 its reverse (31371254), we get a palindrome (76588567).

The spelling of 45217313 in words is "forty-five million, two hundred seventeen thousand, three hundred thirteen".