563181379 has 2 divisors, whose sum is σ = 563181380. Its totient is φ = 563181378.

The previous prime is 563181361. The next prime is 563181391. The reversal of 563181379 is 973181365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 563181379 - 2⁷ = 563181251 is a prime.

It is not a weakly prime, because it can be changed into another prime (563185379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281590689 + 281590690.

It is an arithmetic number, because the mean of its divisors is an integer number (281590690).

Almost surely, 2^563181379 is an apocalyptic number.

563181379 is a deficient number, since it is larger than the sum of its proper divisors (1).

563181379 is an equidigital number, since it uses as much as digits as its factorization.

563181379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 563181379 is about 23731.4428343495. The cubic root of 563181379 is about 825.8149908973.

The spelling of 563181379 in words is "five hundred sixty-three million, one hundred eighty-one thousand, three hundred seventy-nine".