511936725 has 24 divisors (see below), whose sum is σ = 896192640. Its totient is φ = 256971520.

The previous prime is 511936723. The next prime is 511936757. The reversal of 511936725 is 527639115.

It is not a de Polignac number, because 511936725 - 2¹ = 511936723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511936723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199485 + ... + 202034.

It is an arithmetic number, because the mean of its divisors is an integer number (37341360).

Almost surely, 2^511936725 is an apocalyptic number.

It is an amenable number.

511936725 is a deficient number, since it is larger than the sum of its proper divisors (384255915).

511936725 is a wasteful number, since it uses less digits than its factorization.

511936725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401549 (or 401544 counting only the distinct ones).

The product of its digits is 56700, while the sum is 39.

The square root of 511936725 is about 22626.0187615939. The cubic root of 511936725 is about 799.9670429131.

The spelling of 511936725 in words is "five hundred eleven million, nine hundred thirty-six thousand, seven hundred twenty-five".