556577341 has 2 divisors, whose sum is σ = 556577342. Its totient is φ = 556577340.

The previous prime is 556577339. The next prime is 556577363. The reversal of 556577341 is 143775655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 408444100 + 148133241 = 20210^2 + 12171^2 .

It is a cyclic number.

It is not a de Polignac number, because 556577341 - 2¹ = 556577339 is a prime.

Together with 556577339, 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 (556577321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278288670 + 278288671.

It is an arithmetic number, because the mean of its divisors is an integer number (278288671).

Almost surely, 2^556577341 is an apocalyptic number.

It is an amenable number.

556577341 is a deficient number, since it is larger than the sum of its proper divisors (1).

556577341 is an equidigital number, since it uses as much as digits as its factorization.

556577341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 441000, while the sum is 43.

The square root of 556577341 is about 23591.8914248095. The cubic root of 556577341 is about 822.5743706984.

The spelling of 556577341 in words is "five hundred fifty-six million, five hundred seventy-seven thousand, three hundred forty-one".