5564381 has 2 divisors, whose sum is σ = 5564382. Its totient is φ = 5564380.

The previous prime is 5564347. The next prime is 5564387. The reversal of 5564381 is 1834655.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5480281 + 84100 = 2341^2 + 290^2 .

It is a cyclic number.

It is not a de Polignac number, because 5564381 - 2¹⁸ = 5302237 is a prime.

It is a super-2 number, since 2×5564381² = 61924671826322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5564387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2782190 + 2782191.

It is an arithmetic number, because the mean of its divisors is an integer number (2782191).

Almost surely, 2^5564381 is an apocalyptic number.

It is an amenable number.

5564381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5564381 is an equidigital number, since it uses as much as digits as its factorization.

5564381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 32.

The square root of 5564381 is about 2358.8940205105. The cubic root of 5564381 is about 177.2034962546.

The spelling of 5564381 in words is "five million, five hundred sixty-four thousand, three hundred eighty-one".