5127381 has 20 divisors (see below), whose sum is σ = 8754592. Its totient is φ = 2929608.

The previous prime is 5127347. The next prime is 5127427. The reversal of 5127381 is 1837215.

5127381 is a `hidden beast` number, since 512 + 73 + 81 = 666.

It is not a de Polignac number, because 5127381 - 2¹⁰ = 5126357 is a prime.

It is a super-2 number, since 2×5127381² = 52580071838322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5127341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3955 + ... + 5088.

Almost surely, 2^5127381 is an apocalyptic number.

It is an amenable number.

5127381 is a deficient number, since it is larger than the sum of its proper divisors (3627211).

5127381 is an equidigital number, since it uses as much as digits as its factorization.

5127381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9062 (or 9053 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 5127381 is about 2264.3720983973. The cubic root of 5127381 is about 172.4375577399.

The spelling of 5127381 in words is "five million, one hundred twenty-seven thousand, three hundred eighty-one".