6497460925 has 6 divisors (see below), whose sum is σ = 8056851578. Its totient is φ = 5197968720.

The previous prime is 6497460919. The next prime is 6497460941. The reversal of 6497460925 is 5290647946.

It can be written as a sum of positive squares in 3 ways, for example, as 772117369 + 5725343556 = 27787^2 + 75666^2 .

It is not a de Polignac number, because 6497460925 - 2²⁷ = 6363243197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129949194 + ... + 129949243.

Almost surely, 2^6497460925 is an apocalyptic number.

It is an amenable number.

6497460925 is a deficient number, since it is larger than the sum of its proper divisors (1559390653).

6497460925 is a wasteful number, since it uses less digits than its factorization.

6497460925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259898447 (or 259898442 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The square root of 6497460925 is about 80606.8292702300. The cubic root of 6497460925 is about 1866.0125435358.

The spelling of 6497460925 in words is "six billion, four hundred ninety-seven million, four hundred sixty thousand, nine hundred twenty-five".