5311291 has 4 divisors (see below), whose sum is σ = 5390632. Its totient is φ = 5231952.

The previous prime is 5311277. The next prime is 5311301. The reversal of 5311291 is 1921135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1921135 = 5 ⋅384227.

It is a cyclic number.

It is not a de Polignac number, because 5311291 - 2¹¹ = 5309243 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5311391) 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, 39570 + ... + 39703.

It is an arithmetic number, because the mean of its divisors is an integer number (1347658).

Almost surely, 2^5311291 is an apocalyptic number.

5311291 is a deficient number, since it is larger than the sum of its proper divisors (79341).

5311291 is an equidigital number, since it uses as much as digits as its factorization.

5311291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79340.

The product of its digits is 270, while the sum is 22.

The square root of 5311291 is about 2304.6238304765. The cubic root of 5311291 is about 174.4750636912.

The spelling of 5311291 in words is "five million, three hundred eleven thousand, two hundred ninety-one".