556245337 has 2 divisors, whose sum is σ = 556245338. Its totient is φ = 556245336.

The previous prime is 556245331. The next prime is 556245353. The reversal of 556245337 is 733542655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423166041 + 133079296 = 20571^2 + 11536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556245337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556245337.

It is not a weakly prime, because it can be changed into another prime (556245331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278122668 + 278122669.

It is an arithmetic number, because the mean of its divisors is an integer number (278122669).

Almost surely, 2^556245337 is an apocalyptic number.

It is an amenable number.

556245337 is a deficient number, since it is larger than the sum of its proper divisors (1).

556245337 is an equidigital number, since it uses as much as digits as its factorization.

556245337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 40.

The square root of 556245337 is about 23584.8539745320. The cubic root of 556245337 is about 822.4107801955.

The spelling of 556245337 in words is "five hundred fifty-six million, two hundred forty-five thousand, three hundred thirty-seven".