517014020 has 12 divisors (see below), whose sum is σ = 1085729484. Its totient is φ = 206805600.

The previous prime is 517013971. The next prime is 517014041. The reversal of 517014020 is 20410715.

It can be written as a sum of positive squares in 2 ways, for example, as 229643716 + 287370304 = 15154^2 + 16952^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 25850701 = 517014020 / (5 + 1 + 7 + 0 + 1 + 4 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 517013983 and 517014001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12925331 + ... + 12925370.

It is an arithmetic number, because the mean of its divisors is an integer number (90477457).

Almost surely, 2^517014020 is an apocalyptic number.

It is an amenable number.

517014020 is an abundant number, since it is smaller than the sum of its proper divisors (568715464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

517014020 is a wasteful number, since it uses less digits than its factorization.

517014020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25850710 (or 25850708 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 517014020 is about 22737.9422991615. The cubic root of 517014020 is about 802.6029901173.

Adding to 517014020 its reverse (20410715), we get a palindrome (537424735).

The spelling of 517014020 in words is "five hundred seventeen million, fourteen thousand, twenty".