5315881 has 4 divisors (see below), whose sum is σ = 5375700. Its totient is φ = 5256064.

The previous prime is 5315879. The next prime is 5315897. The reversal of 5315881 is 1885135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1648656 + 3667225 = 1284^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 5315881 - 2¹ = 5315879 is a prime.

It is a super-2 number, since 2×5315881² = 56517181612322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5315581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29776 + ... + 29953.

It is an arithmetic number, because the mean of its divisors is an integer number (1343925).

Almost surely, 2^5315881 is an apocalyptic number.

It is an amenable number.

5315881 is a deficient number, since it is larger than the sum of its proper divisors (59819).

5315881 is an equidigital number, since it uses as much as digits as its factorization.

5315881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59818.

The product of its digits is 4800, while the sum is 31.

The square root of 5315881 is about 2305.6194395433. The cubic root of 5315881 is about 174.5253094763.

The spelling of 5315881 in words is "five million, three hundred fifteen thousand, eight hundred eighty-one".