6487497025 has 27 divisors (see below), whose sum is σ = 8181097563. Its totient is φ = 5103331200.

The previous prime is 6487497019. The next prime is 6487497073. The reversal of 6487497025 is 5207947846.

The square root of 6487497025 is 80545.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 5645568769 + 841928256 = 75137^2 + 29016^2 .

It is not a de Polignac number, because 6487497025 - 2⁵ = 6487496993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 35842435 + ... + 35842615.

Almost surely, 2^6487497025 is an apocalyptic number.

6487497025 is the 80545-th square number.

6487497025 is the 40273-rd centered octagonal number.

It is an amenable number.

6487497025 is a deficient number, since it is larger than the sum of its proper divisors (1693600538).

6487497025 is an frugal number, since it uses more digits than its factorization.

6487497025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 52.

The cubic root of 6487497025 is about 1865.0582079502.

The spelling of 6487497025 in words is "six billion, four hundred eighty-seven million, four hundred ninety-seven thousand, twenty-five".