512271725 has 18 divisors (see below), whose sum is σ = 738927594. Its totient is φ = 351271200.

The previous prime is 512271713. The next prime is 512271731. The reversal of 512271725 is 527172215.

It can be written as a sum of positive squares in 3 ways, for example, as 71859529 + 440412196 = 8477^2 + 20986^2 .

It is not a de Polignac number, because 512271725 - 2¹⁸ = 512009581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512271691 and 512271700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 207866 + ... + 210315.

It is an arithmetic number, because the mean of its divisors is an integer number (41051533).

Almost surely, 2^512271725 is an apocalyptic number.

It is an amenable number.

512271725 is a deficient number, since it is larger than the sum of its proper divisors (226655869).

512271725 is a wasteful number, since it uses less digits than its factorization.

512271725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418205 (or 418193 counting only the distinct ones).

The product of its digits is 9800, while the sum is 32.

The square root of 512271725 is about 22633.4205324781. The cubic root of 512271725 is about 800.1414984088.

The spelling of 512271725 in words is "five hundred twelve million, two hundred seventy-one thousand, seven hundred twenty-five".