6505457 has 8 divisors (see below), whose sum is σ = 7525056. Its totient is φ = 5508432.

The previous prime is 6505453. The next prime is 6505469. The reversal of 6505457 is 7545056.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6505457 - 2² = 6505453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6505453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5018 + ... + 6179.

It is an arithmetic number, because the mean of its divisors is an integer number (940632).

Almost surely, 2^6505457 is an apocalyptic number.

It is an amenable number.

6505457 is a deficient number, since it is larger than the sum of its proper divisors (1019599).

6505457 is a wasteful number, since it uses less digits than its factorization.

6505457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11287.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 6505457 is about 2550.5797380204. The cubic root of 6505457 is about 186.6777696769.

The spelling of 6505457 in words is "six million, five hundred five thousand, four hundred fifty-seven".