512144425 has 12 divisors (see below), whose sum is σ = 683910220. Its totient is φ = 378198720.

The previous prime is 512144393. The next prime is 512144447. The reversal of 512144425 is 524441215.

It can be written as a sum of positive squares in 6 ways, for example, as 30824704 + 481319721 = 5552^2 + 21939^2 .

It is not a de Polignac number, because 512144425 - 2⁵ = 512144393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 512144393 and 512144402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 787590 + ... + 788239.

Almost surely, 2^512144425 is an apocalyptic number.

It is an amenable number.

512144425 is a deficient number, since it is larger than the sum of its proper divisors (171765795).

512144425 is a wasteful number, since it uses less digits than its factorization.

512144425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575852 (or 1575847 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 512144425 is about 22630.6081447229. The cubic root of 512144425 is about 800.0752142825.

The spelling of 512144425 in words is "five hundred twelve million, one hundred forty-four thousand, four hundred twenty-five".