6487451 has 4 divisors (see below), whose sum is σ = 6512952. Its totient is φ = 6461952.

The previous prime is 6487441. The next prime is 6487487. The reversal of 6487451 is 1547846.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6487451 - 2¹⁰ = 6486427 is a prime.

It is a d-powerful number, because it can be written as 6³ + 4 + 8⁷ + 7⁶ + 4¹¹ + 5⁷ + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6487441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12365 + ... + 12878.

It is an arithmetic number, because the mean of its divisors is an integer number (1628238).

Almost surely, 2^6487451 is an apocalyptic number.

6487451 is a deficient number, since it is larger than the sum of its proper divisors (25501).

6487451 is a wasteful number, since it uses less digits than its factorization.

6487451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25500.

The product of its digits is 26880, while the sum is 35.

The square root of 6487451 is about 2547.0475064278. The cubic root of 6487451 is about 186.5053797440.

The spelling of 6487451 in words is "six million, four hundred eighty-seven thousand, four hundred fifty-one".