6487925 has 6 divisors (see below), whose sum is σ = 8045058. Its totient is φ = 5190320.

The previous prime is 6487919. The next prime is 6487933. The reversal of 6487925 is 5297846.

It can be written as a sum of positive squares in 3 ways, for example, as 1643524 + 4844401 = 1282^2 + 2201^2 .

It is not a de Polignac number, because 6487925 - 2¹⁴ = 6471541 is a prime.

It is a d-powerful number, because it can be written as 6⁸ + 4⁶ + 8⁷ + 7³ + 9⁶ + 2²¹ + 5⁷ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129734 + ... + 129783.

It is an arithmetic number, because the mean of its divisors is an integer number (1340843).

Almost surely, 2^6487925 is an apocalyptic number.

It is an amenable number.

6487925 is a deficient number, since it is larger than the sum of its proper divisors (1557133).

6487925 is a wasteful number, since it uses less digits than its factorization.

6487925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259527 (or 259522 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 6487925 is about 2547.1405536405. The cubic root of 6487925 is about 186.5099219182.

The spelling of 6487925 in words is "six million, four hundred eighty-seven thousand, nine hundred twenty-five".