512454930 has 32 divisors (see below), whose sum is σ = 1324499904. Its totient is φ = 126142656.

The previous prime is 512454913. The next prime is 512454931. The reversal of 512454930 is 39454215.

It is a super-2 number, since 2×512454930² = 525220110562609800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 512454891 and 512454900.

It is not an unprimeable number, because it can be changed into a prime (512454931) 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, 656604 + ... + 657383.

It is an arithmetic number, because the mean of its divisors is an integer number (41390622).

Almost surely, 2^512454930 is an apocalyptic number.

512454930 is an abundant number, since it is smaller than the sum of its proper divisors (812044974).

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

512454930 is a wasteful number, since it uses less digits than its factorization.

512454930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314010.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 512454930 is about 22637.4673936817. The cubic root of 512454930 is about 800.2368725656.

The spelling of 512454930 in words is "five hundred twelve million, four hundred fifty-four thousand, nine hundred thirty".