5391381 has 8 divisors (see below), whose sum is σ = 7382944. Its totient is φ = 3497040.

The previous prime is 5391367. The next prime is 5391389. The reversal of 5391381 is 1831935.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5391381 - 2⁵ = 5391349 is a prime.

It is a super-2 number, since 2×5391381² = 58133978174322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5391389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24175 + ... + 24396.

It is an arithmetic number, because the mean of its divisors is an integer number (922868).

Almost surely, 2^5391381 is an apocalyptic number.

It is an amenable number.

5391381 is a deficient number, since it is larger than the sum of its proper divisors (1991563).

5391381 is a wasteful number, since it uses less digits than its factorization.

5391381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48611.

The product of its digits is 3240, while the sum is 30.

The square root of 5391381 is about 2321.9347536053. The cubic root of 5391381 is about 175.3476734437.

The spelling of 5391381 in words is "five million, three hundred ninety-one thousand, three hundred eighty-one".