6499925153 has 2 divisors, whose sum is σ = 6499925154. Its totient is φ = 6499925152.

The previous prime is 6499925147. The next prime is 6499925171. The reversal of 6499925153 is 3515299946.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6499100689 + 824464 = 80617^2 + 908^2 .

It is a cyclic number.

It is not a de Polignac number, because 6499925153 - 2¹⁶ = 6499859617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6499925095 and 6499925104.

It is not a weakly prime, because it can be changed into another prime (6499925053) by changing a digit.

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 as a sum of consecutive naturals, namely, 3249962576 + 3249962577.

It is an arithmetic number, because the mean of its divisors is an integer number (3249962577).

Almost surely, 2^6499925153 is an apocalyptic number.

It is an amenable number.

6499925153 is a deficient number, since it is larger than the sum of its proper divisors (1).

6499925153 is an equidigital number, since it uses as much as digits as its factorization.

6499925153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2624400, while the sum is 53.

The square root of 6499925153 is about 80622.1133002602. The cubic root of 6499925153 is about 1866.2484151180.

The spelling of 6499925153 in words is "six billion, four hundred ninety-nine million, nine hundred twenty-five thousand, one hundred fifty-three".