511304125 has 8 divisors (see below), whose sum is σ = 638107704. Its totient is φ = 409043200.

The previous prime is 511304093. The next prime is 511304137. The reversal of 511304125 is 521403115.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 105966436 + 405337689 = 10294^2 + 20133^2 .

It is not a de Polignac number, because 511304125 - 2⁵ = 511304093 is a prime.

It is a super-2 number, since 2×511304125² = 522863816484031250, 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 = 511304096 and 511304105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2045092 + ... + 2045341.

It is an arithmetic number, because the mean of its divisors is an integer number (79763463).

Almost surely, 2^511304125 is an apocalyptic number.

It is an amenable number.

511304125 is a deficient number, since it is larger than the sum of its proper divisors (126803579).

511304125 is an equidigital number, since it uses as much as digits as its factorization.

511304125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4090448 (or 4090438 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 511304125 is about 22612.0349592866. The cubic root of 511304125 is about 799.6374007813.

It can be divided in two parts, 51130 and 4125, that added together give a palindrome (55255).

The spelling of 511304125 in words is "five hundred eleven million, three hundred four thousand, one hundred twenty-five".