516011725 has 6 divisors (see below), whose sum is σ = 639854570. Its totient is φ = 412809360.

The previous prime is 516011723. The next prime is 516011759. The reversal of 516011725 is 527110615.

It can be written as a sum of positive squares in 3 ways, for example, as 99321156 + 416690569 = 9966^2 + 20413^2 .

It is not a de Polignac number, because 516011725 - 2¹ = 516011723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 516011693 and 516011702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516011723) 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 5 ways as a sum of consecutive naturals, for example, 10320210 + ... + 10320259.

Almost surely, 2^516011725 is an apocalyptic number.

It is an amenable number.

516011725 is a deficient number, since it is larger than the sum of its proper divisors (123842845).

516011725 is a wasteful number, since it uses less digits than its factorization.

516011725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20640479 (or 20640474 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 516011725 is about 22715.8914639069. The cubic root of 516011725 is about 802.0840065360.

The spelling of 516011725 in words is "five hundred sixteen million, eleven thousand, seven hundred twenty-five".