8572457 has 4 divisors (see below), whose sum is σ = 8580096. Its totient is φ = 8564820.

The previous prime is 8572451. The next prime is 8572483. The reversal of 8572457 is 7542758.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8572457 - 2¹⁶ = 8506921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8572457.

It is not an unprimeable number, because it can be changed into a prime (8572451) 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, 1769 + ... + 4502.

It is an arithmetic number, because the mean of its divisors is an integer number (2145024).

Almost surely, 2^8572457 is an apocalyptic number.

It is an amenable number.

8572457 is a deficient number, since it is larger than the sum of its proper divisors (7639).

8572457 is a wasteful number, since it uses less digits than its factorization.

8572457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7638.

The product of its digits is 78400, while the sum is 38.

The square root of 8572457 is about 2927.8758511931. The cubic root of 8572457 is about 204.6610062673.

The spelling of 8572457 in words is "eight million, five hundred seventy-two thousand, four hundred fifty-seven".