556535249 has 2 divisors, whose sum is σ = 556535250. Its totient is φ = 556535248.

The previous prime is 556535233. The next prime is 556535261. The reversal of 556535249 is 942535655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 556252225 + 283024 = 23585^2 + 532^2 .

It is a cyclic number.

It is not a de Polignac number, because 556535249 - 2⁴ = 556535233 is a prime.

It is not a weakly prime, because it can be changed into another prime (556535449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278267624 + 278267625.

It is an arithmetic number, because the mean of its divisors is an integer number (278267625).

Almost surely, 2^556535249 is an apocalyptic number.

It is an amenable number.

556535249 is a deficient number, since it is larger than the sum of its proper divisors (1).

556535249 is an equidigital number, since it uses as much as digits as its factorization.

556535249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810000, while the sum is 44.

The square root of 556535249 is about 23590.9993217752. Note that the first 3 decimals coincide. The cubic root of 556535249 is about 822.5536340336.

The spelling of 556535249 in words is "five hundred fifty-six million, five hundred thirty-five thousand, two hundred forty-nine".