5212381 has 2 divisors, whose sum is σ = 5212382. Its totient is φ = 5212380.

The previous prime is 5212367. The next prime is 5212393. The reversal of 5212381 is 1832125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4995225 + 217156 = 2235^2 + 466^2 .

It is a cyclic number.

It is not a de Polignac number, because 5212381 - 2¹⁵ = 5179613 is a prime.

It is a super-2 number, since 2×5212381² = 54337831378322, which contains 22 as substring.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5215381) 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 as a sum of consecutive naturals, namely, 2606190 + 2606191.

It is an arithmetic number, because the mean of its divisors is an integer number (2606191).

Almost surely, 2^5212381 is an apocalyptic number.

It is an amenable number.

5212381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5212381 is an equidigital number, since it uses as much as digits as its factorization.

5212381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 22.

The square root of 5212381 is about 2283.0639500461. The cubic root of 5212381 is about 173.3852108854.

The spelling of 5212381 in words is "five million, two hundred twelve thousand, three hundred eighty-one".