514823985 has 64 divisors (see below), whose sum is σ = 990662400. Its totient is φ = 252163584.

The previous prime is 514823983. The next prime is 514823989. The reversal of 514823985 is 589328415.

It is not a de Polignac number, because 514823985 - 2¹ = 514823983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

Together with 475838415 it forms an amicable pair .

It is a self number, because there is not a number n which added to its sum of digits gives 514823985.

It is not an unprimeable number, because it can be changed into a prime (514823983) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 408286 + ... + 409544.

It is an arithmetic number, because the mean of its divisors is an integer number (15479100).

Almost surely, 2^514823985 is an apocalyptic number.

It is an amenable number.

514823985 is a deficient number, since it is larger than the sum of its proper divisors (475838415).

514823985 is a wasteful number, since it uses less digits than its factorization.

514823985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519 (or 1513 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 514823985 is about 22689.7330306022. The cubic root of 514823985 is about 801.4681296170.

The spelling of 514823985 in words is "five hundred fourteen million, eight hundred twenty-three thousand, nine hundred eighty-five".