515026985 has 16 divisors (see below), whose sum is σ = 713878272. Its totient is φ = 352531200.

The previous prime is 515026973. The next prime is 515026997. The reversal of 515026985 is 589620515.

515026985 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (515026973) and next prime (515026997).

It is not a de Polignac number, because 515026985 - 2⁴ = 515026969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274481 + ... + 276350.

It is an arithmetic number, because the mean of its divisors is an integer number (44617392).

Almost surely, 2^515026985 is an apocalyptic number.

515026985 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

515026985 is a deficient number, since it is larger than the sum of its proper divisors (198851287).

515026985 is a wasteful number, since it uses less digits than its factorization.

515026985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550864.

The product of its (nonzero) digits is 108000, while the sum is 41.

The square root of 515026985 is about 22694.2059786193. The cubic root of 515026985 is about 801.5734579462.

The spelling of 515026985 in words is "five hundred fifteen million, twenty-six thousand, nine hundred eighty-five".