913288273 has 4 divisors (see below), whose sum is σ = 914168320. Its totient is φ = 912408228.

The previous prime is 913288267. The next prime is 913288283. The reversal of 913288273 is 372882319.

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 913288273 - 2²¹ = 911191121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (913288253) 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, 438465 + ... + 440542.

It is an arithmetic number, because the mean of its divisors is an integer number (228542080).

Almost surely, 2^913288273 is an apocalyptic number.

It is an amenable number.

913288273 is a deficient number, since it is larger than the sum of its proper divisors (880047).

913288273 is a wasteful number, since it uses less digits than its factorization.

913288273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880046.

The product of its digits is 145152, while the sum is 43.

The square root of 913288273 is about 30220.6597049105. The cubic root of 913288273 is about 970.2179242537.

The spelling of 913288273 in words is "nine hundred thirteen million, two hundred eighty-eight thousand, two hundred seventy-three".