6456249 has 12 divisors (see below), whose sum is σ = 9524736. Its totient is φ = 4212312.

The previous prime is 6456239. The next prime is 6456253. The reversal of 6456249 is 9426546.

6456249 is a `hidden beast` number, since 645 + 6 + 2 + 4 + 9 = 666.

It is not a de Polignac number, because 6456249 - 2¹⁵ = 6423481 is a prime.

6456249 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6456239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7209 + ... + 8054.

It is an arithmetic number, because the mean of its divisors is an integer number (793728).

Almost surely, 2^6456249 is an apocalyptic number.

It is an amenable number.

6456249 is a deficient number, since it is larger than the sum of its proper divisors (3068487).

6456249 is a wasteful number, since it uses less digits than its factorization.

6456249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15316 (or 15313 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 6456249 is about 2540.9149926749. The cubic root of 6456249 is about 186.2058940949.

The spelling of 6456249 in words is "six million, four hundred fifty-six thousand, two hundred forty-nine".