517021030 has 32 divisors (see below), whose sum is σ = 945561600. Its totient is φ = 203510112.

The previous prime is 517020997. The next prime is 517021031. The reversal of 517021030 is 30120715.

It is a junction number, because it is equal to n+sod(n) for n = 517020989 and 517021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517021031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282699 + ... + 284521.

It is an arithmetic number, because the mean of its divisors is an integer number (29548800).

Almost surely, 2^517021030 is an apocalyptic number.

517021030 is a deficient number, since it is larger than the sum of its proper divisors (428540570).

517021030 is a wasteful number, since it uses less digits than its factorization.

517021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 517021030 is about 22738.0964462727. The cubic root of 517021030 is about 802.6066174989.

Adding to 517021030 its reverse (30120715), we get a palindrome (547141745).

The spelling of 517021030 in words is "five hundred seventeen million, twenty-one thousand, thirty".