511560993 has 16 divisors (see below), whose sum is σ = 688117760. Its totient is φ = 338034384.

The previous prime is 511560979. The next prime is 511561003. The reversal of 511560993 is 399065115.

It is not a de Polignac number, because 511560993 - 2⁵ = 511560961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (511560943) 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 in 15 ways as a sum of consecutive naturals, for example, 213480 + ... + 215862.

It is an arithmetic number, because the mean of its divisors is an integer number (43007360).

Almost surely, 2^511560993 is an apocalyptic number.

It is an amenable number.

511560993 is a deficient number, since it is larger than the sum of its proper divisors (176556767).

511560993 is a wasteful number, since it uses less digits than its factorization.

511560993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988.

The product of its (nonzero) digits is 36450, while the sum is 39.

The square root of 511560993 is about 22617.7141417960. The cubic root of 511560993 is about 799.7712851390.

The spelling of 511560993 in words is "five hundred eleven million, five hundred sixty thousand, nine hundred ninety-three".