5315381 has 4 divisors (see below), whose sum is σ = 5498700. Its totient is φ = 5132064.

The previous prime is 5315377. The next prime is 5315399. The reversal of 5315381 is 1835135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1835135 = 5 ⋅367027.

It can be written as a sum of positive squares in 2 ways, for example, as 3740356 + 1575025 = 1934^2 + 1255^2 .

It is a cyclic number.

It is not a de Polignac number, because 5315381 - 2² = 5315377 is a prime.

It is a super-2 number, since 2×5315381² = 56506550350322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5315381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5315581) 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, 91616 + ... + 91673.

It is an arithmetic number, because the mean of its divisors is an integer number (1374675).

Almost surely, 2^5315381 is an apocalyptic number.

It is an amenable number.

5315381 is a deficient number, since it is larger than the sum of its proper divisors (183319).

5315381 is a wasteful number, since it uses less digits than its factorization.

5315381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183318.

The product of its digits is 1800, while the sum is 26.

The square root of 5315381 is about 2305.5110062630. The cubic root of 5315381 is about 174.5198374833.

The spelling of 5315381 in words is "five million, three hundred fifteen thousand, three hundred eighty-one".