509120741 has 2 divisors, whose sum is σ = 509120742. Its totient is φ = 509120740.

The previous prime is 509120707. The next prime is 509120753. The reversal of 509120741 is 147021905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 411684100 + 97436641 = 20290^2 + 9871^2 .

It is a cyclic number.

It is not a de Polignac number, because 509120741 - 2²² = 504926437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (509120771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254560370 + 254560371.

It is an arithmetic number, because the mean of its divisors is an integer number (254560371).

Almost surely, 2^509120741 is an apocalyptic number.

It is an amenable number.

509120741 is a deficient number, since it is larger than the sum of its proper divisors (1).

509120741 is an equidigital number, since it uses as much as digits as its factorization.

509120741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 509120741 is about 22563.7040620551. The cubic root of 509120741 is about 798.4975660692.

The spelling of 509120741 in words is "five hundred nine million, one hundred twenty thousand, seven hundred forty-one".