566614381 has 2 divisors, whose sum is σ = 566614382. Its totient is φ = 566614380.

The previous prime is 566614379. The next prime is 566614417. The reversal of 566614381 is 183416665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 457746025 + 108868356 = 21395^2 + 10434^2 .

It is a cyclic number.

It is not a de Polignac number, because 566614381 - 2¹ = 566614379 is a prime.

It is a super-2 number, since 2×566614381² = 642103713512026322, which contains 22 as substring.

Together with 566614379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566684381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283307190 + 283307191.

It is an arithmetic number, because the mean of its divisors is an integer number (283307191).

Almost surely, 2^566614381 is an apocalyptic number.

It is an amenable number.

566614381 is a deficient number, since it is larger than the sum of its proper divisors (1).

566614381 is an equidigital number, since it uses as much as digits as its factorization.

566614381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 566614381 is about 23803.6631844765. The cubic root of 566614381 is about 827.4895748086.

The spelling of 566614381 in words is "five hundred sixty-six million, six hundred fourteen thousand, three hundred eighty-one".