509552941 has 2 divisors, whose sum is σ = 509552942. Its totient is φ = 509552940.

The previous prime is 509552933. The next prime is 509552957. The reversal of 509552941 is 149255905.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283922500 + 225630441 = 16850^2 + 15021^2 .

It is a cyclic number.

It is not a de Polignac number, because 509552941 - 2³ = 509552933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 509552894 and 509552903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (509562941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254776470 + 254776471.

It is an arithmetic number, because the mean of its divisors is an integer number (254776471).

Almost surely, 2^509552941 is an apocalyptic number.

It is an amenable number.

509552941 is a deficient number, since it is larger than the sum of its proper divisors (1).

509552941 is an equidigital number, since it uses as much as digits as its factorization.

509552941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 40.

The square root of 509552941 is about 22573.2793585691. The cubic root of 509552941 is about 798.7234542262.

The spelling of 509552941 in words is "five hundred nine million, five hundred fifty-two thousand, nine hundred forty-one".