5266381 has 2 divisors, whose sum is σ = 5266382. Its totient is φ = 5266380.

The previous prime is 5266361. The next prime is 5266423. The reversal of 5266381 is 1836625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4990756 + 275625 = 2234^2 + 525^2 .

It is a cyclic number.

It is not a de Polignac number, because 5266381 - 2¹¹ = 5264333 is a prime.

It is a super-2 number, since 2×5266381² = 55469537674322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5266301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2633190 + 2633191.

It is an arithmetic number, because the mean of its divisors is an integer number (2633191).

Almost surely, 2^5266381 is an apocalyptic number.

It is an amenable number.

5266381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5266381 is an equidigital number, since it uses as much as digits as its factorization.

5266381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 5266381 is about 2294.8596907001. The cubic root of 5266381 is about 173.9819089836.

The spelling of 5266381 in words is "five million, two hundred sixty-six thousand, three hundred eighty-one".