511005325 has 6 divisors (see below), whose sum is σ = 633646634. Its totient is φ = 408804240.

The previous prime is 511005311. The next prime is 511005349. The reversal of 511005325 is 523500115.

It can be written as a sum of positive squares in 3 ways, for example, as 166048996 + 344956329 = 12886^2 + 18573^2 .

It is not a de Polignac number, because 511005325 - 2¹⁷ = 510874253 is a prime.

It is a super-2 number, since 2×511005325² = 522252884356711250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 511005296 and 511005305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10220082 + ... + 10220131.

Almost surely, 2^511005325 is an apocalyptic number.

It is an amenable number.

511005325 is a deficient number, since it is larger than the sum of its proper divisors (122641309).

511005325 is a wasteful number, since it uses less digits than its factorization.

511005325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20440223 (or 20440218 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 511005325 is about 22605.4268926734. The cubic root of 511005325 is about 799.4816042590.

The spelling of 511005325 in words is "five hundred eleven million, five thousand, three hundred twenty-five".