5387381 has 2 divisors, whose sum is σ = 5387382. Its totient is φ = 5387380.

The previous prime is 5387353. The next prime is 5387383. The reversal of 5387381 is 1837835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2856100 + 2531281 = 1690^2 + 1591^2 .

It is a cyclic number.

It is not a de Polignac number, because 5387381 - 2¹⁰ = 5386357 is a prime.

It is a super-2 number, since 2×5387381² = 58047748078322, which contains 22 as substring.

Together with 5387383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5387383) 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 as a sum of consecutive naturals, namely, 2693690 + 2693691.

It is an arithmetic number, because the mean of its divisors is an integer number (2693691).

Almost surely, 2^5387381 is an apocalyptic number.

It is an amenable number.

5387381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5387381 is an equidigital number, since it uses as much as digits as its factorization.

5387381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 5387381 is about 2321.0732431356. The cubic root of 5387381 is about 175.3042977777.

The spelling of 5387381 in words is "five million, three hundred eighty-seven thousand, three hundred eighty-one".