6512725 has 12 divisors (see below), whose sum is σ = 8501440. Its totient is φ = 4935600.

The previous prime is 6512719. The next prime is 6512729. The reversal of 6512725 is 5272156.

It is not a de Polignac number, because 6512725 - 2⁹ = 6512213 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

6512725 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6512693 and 6512702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6512729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6381 + ... + 7330.

Almost surely, 2^6512725 is an apocalyptic number.

It is an amenable number.

6512725 is a deficient number, since it is larger than the sum of its proper divisors (1988715).

6512725 is a wasteful number, since it uses less digits than its factorization.

6512725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13740 (or 13735 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 6512725 is about 2552.0041144167. The cubic root of 6512725 is about 186.7472635942.

The spelling of 6512725 in words is "six million, five hundred twelve thousand, seven hundred twenty-five".