536598509 has 2 divisors, whose sum is σ = 536598510. Its totient is φ = 536598508.

The previous prime is 536598497. The next prime is 536598527. The reversal of 536598509 is 905895635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 468073225 + 68525284 = 21635^2 + 8278^2 .

It is a cyclic number.

It is not a de Polignac number, because 536598509 - 2⁴ = 536598493 is a prime.

It is a super-2 number, since 2×536598509² = 575875919722046162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536598409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268299254 + 268299255.

It is an arithmetic number, because the mean of its divisors is an integer number (268299255).

Almost surely, 2^536598509 is an apocalyptic number.

It is an amenable number.

536598509 is a deficient number, since it is larger than the sum of its proper divisors (1).

536598509 is an equidigital number, since it uses as much as digits as its factorization.

536598509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458000, while the sum is 50.

The square root of 536598509 is about 23164.5960249688. The cubic root of 536598509 is about 812.6118550226.

The spelling of 536598509 in words is "five hundred thirty-six million, five hundred ninety-eight thousand, five hundred nine".