509019341 has 2 divisors, whose sum is σ = 509019342. Its totient is φ = 509019340.

The previous prime is 509019317. The next prime is 509019359. The reversal of 509019341 is 143910905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 508322116 + 697225 = 22546^2 + 835^2 .

It is a cyclic number.

It is not a de Polignac number, because 509019341 - 2¹⁰ = 509018317 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 509019298 and 509019307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (509019941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254509670 + 254509671.

It is an arithmetic number, because the mean of its divisors is an integer number (254509671).

Almost surely, 2^509019341 is an apocalyptic number.

It is an amenable number.

509019341 is a deficient number, since it is larger than the sum of its proper divisors (1).

509019341 is an equidigital number, since it uses as much as digits as its factorization.

509019341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 509019341 is about 22561.4569786616. The cubic root of 509019341 is about 798.4445511210. Note that the first 3 decimals are identical.

The spelling of 509019341 in words is "five hundred nine million, nineteen thousand, three hundred forty-one".