512423245 has 8 divisors (see below), whose sum is σ = 615029400. Its totient is φ = 409857600.

The previous prime is 512423213. The next prime is 512423257. The reversal of 512423245 is 542324215.

It can be written as a sum of positive squares in 4 ways, for example, as 145853929 + 366569316 = 12077^2 + 19146^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 512423245 - 2⁵ = 512423213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44595 + ... + 54895.

It is an arithmetic number, because the mean of its divisors is an integer number (76878675).

Almost surely, 2^512423245 is an apocalyptic number.

It is an amenable number.

512423245 is a deficient number, since it is larger than the sum of its proper divisors (102606155).

512423245 is a wasteful number, since it uses less digits than its factorization.

512423245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20255.

The product of its digits is 9600, while the sum is 28.

The square root of 512423245 is about 22636.7675475100. The cubic root of 512423245 is about 800.2203793897.

The spelling of 512423245 in words is "five hundred twelve million, four hundred twenty-three thousand, two hundred forty-five".