8530157 has 4 divisors (see below), whose sum is σ = 8614716. Its totient is φ = 8445600.

The previous prime is 8530133. The next prime is 8530213. The reversal of 8530157 is 7510358.

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 7123561 + 1406596 = 2669^2 + 1186^2 .

It is a cyclic number.

It is not a de Polignac number, because 8530157 - 2²² = 4335853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8530117) 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, 42128 + ... + 42329.

It is an arithmetic number, because the mean of its divisors is an integer number (2153679).

Almost surely, 2^8530157 is an apocalyptic number.

It is an amenable number.

8530157 is a deficient number, since it is larger than the sum of its proper divisors (84559).

8530157 is a wasteful number, since it uses less digits than its factorization.

8530157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84558.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 8530157 is about 2920.6432510664. The cubic root of 8530157 is about 204.3238240939.

It can be divided in two parts, 85301 and 57, that added together give a palindrome (85358).

The spelling of 8530157 in words is "eight million, five hundred thirty thousand, one hundred fifty-seven".