49284313 has 4 divisors (see below), whose sum is σ = 53075428. Its totient is φ = 45493200.

The previous prime is 49284289. The next prime is 49284317. The reversal of 49284313 is 31348294.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31348294 = 2 ⋅15674147.

It can be written as a sum of positive squares in 2 ways, for example, as 23396569 + 25887744 = 4837^2 + 5088^2 .

It is a cyclic number.

It is not a de Polignac number, because 49284313 - 2⁵ = 49284281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49284317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1895538 + ... + 1895563.

It is an arithmetic number, because the mean of its divisors is an integer number (13268857).

Almost surely, 2^49284313 is an apocalyptic number.

It is an amenable number.

49284313 is a deficient number, since it is larger than the sum of its proper divisors (3791115).

49284313 is a wasteful number, since it uses less digits than its factorization.

49284313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791114.

The product of its digits is 20736, while the sum is 34.

The square root of 49284313 is about 7020.2786981715. The cubic root of 49284313 is about 366.6369536069.

The spelling of 49284313 in words is "forty-nine million, two hundred eighty-four thousand, three hundred thirteen".