8506457 has 4 divisors (see below), whose sum is σ = 8553636. Its totient is φ = 8459280.

The previous prime is 8506441. The next prime is 8506501. The reversal of 8506457 is 7546058.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1478656 + 7027801 = 1216^2 + 2651^2 .

It is a cyclic number.

It is not a de Polignac number, because 8506457 - 2⁴ = 8506441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8506427) 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, 23318 + ... + 23679.

It is an arithmetic number, because the mean of its divisors is an integer number (2138409).

Almost surely, 2^8506457 is an apocalyptic number.

It is an amenable number.

8506457 is a deficient number, since it is larger than the sum of its proper divisors (47179).

8506457 is a wasteful number, since it uses less digits than its factorization.

8506457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47178.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 8506457 is about 2916.5831035649. The cubic root of 8506457 is about 204.1344189709.

The spelling of 8506457 in words is "eight million, five hundred six thousand, four hundred fifty-seven".