556650131 has 2 divisors, whose sum is σ = 556650132. Its totient is φ = 556650130.

The previous prime is 556650079. The next prime is 556650139. The reversal of 556650131 is 131056655.

556650131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556650131 - 2⁶ = 556650067 is a prime.

It is a super-2 number, since 2×556650131² = 619718736684634322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (556650139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278325065 + 278325066.

It is an arithmetic number, because the mean of its divisors is an integer number (278325066).

Almost surely, 2^556650131 is an apocalyptic number.

556650131 is a deficient number, since it is larger than the sum of its proper divisors (1).

556650131 is an equidigital number, since it uses as much as digits as its factorization.

556650131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 556650131 is about 23593.4340654344. The cubic root of 556650131 is about 822.6102282957.

The spelling of 556650131 in words is "five hundred fifty-six million, six hundred fifty thousand, one hundred thirty-one".