509603641 has 4 divisors (see below), whose sum is σ = 516054400. Its totient is φ = 503152884.

The previous prime is 509603609. The next prime is 509603659. The reversal of 509603641 is 146306905.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 509603641 - 2⁵ = 509603609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 509603597 and 509603606.

It is not an unprimeable number, because it can be changed into a prime (509603741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3225261 + ... + 3225418.

It is an arithmetic number, because the mean of its divisors is an integer number (129013600).

Almost surely, 2^509603641 is an apocalyptic number.

It is an amenable number.

509603641 is a deficient number, since it is larger than the sum of its proper divisors (6450759).

509603641 is an equidigital number, since it uses as much as digits as its factorization.

509603641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6450758.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 509603641 is about 22574.4023398184. The cubic root of 509603641 is about 798.7499440718.

The spelling of 509603641 in words is "five hundred nine million, six hundred three thousand, six hundred forty-one".