511303425 has 12 divisors (see below), whose sum is σ = 845355120. Its totient is φ = 272695120.

The previous prime is 511303391. The next prime is 511303427. The reversal of 511303425 is 524303115.

It is not a de Polignac number, because 511303425 - 2⁶ = 511303361 is a prime.

It is a super-2 number, since 2×511303425² = 522862384833461250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511303395 and 511303404.

It is not an unprimeable number, because it can be changed into a prime (511303427) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3408615 + ... + 3408764.

It is an arithmetic number, because the mean of its divisors is an integer number (70446260).

Almost surely, 2^511303425 is an apocalyptic number.

It is an amenable number.

511303425 is a deficient number, since it is larger than the sum of its proper divisors (334051695).

511303425 is a wasteful number, since it uses less digits than its factorization.

511303425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6817392 (or 6817387 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 511303425 is about 22612.0194807983. The cubic root of 511303425 is about 799.6370358670.

The spelling of 511303425 in words is "five hundred eleven million, three hundred three thousand, four hundred twenty-five".