512203530 has 32 divisors (see below), whose sum is σ = 1257879744. Its totient is φ = 133410816.

The previous prime is 512203511. The next prime is 512203547. The reversal of 512203530 is 35302215.

It is a super-2 number, since 2×512203530² = 524704912288921800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 512203497 and 512203506.

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, 197239 + ... + 199818.

It is an arithmetic number, because the mean of its divisors is an integer number (39308742).

Almost surely, 2^512203530 is an apocalyptic number.

512203530 is an abundant number, since it is smaller than the sum of its proper divisors (745676214).

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

512203530 is a wasteful number, since it uses less digits than its factorization.

512203530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397110.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 512203530 is about 22631.9139712045. The cubic root of 512203530 is about 800.1059911651.

Adding to 512203530 its reverse (35302215), we get a palindrome (547505745).

The spelling of 512203530 in words is "five hundred twelve million, two hundred three thousand, five hundred thirty".