28526157 has 24 divisors (see below), whose sum is σ = 46002528. Its totient is φ = 16884000.

The previous prime is 28526129. The next prime is 28526171. The reversal of 28526157 is 75162582.

It is a happy number.

It is not a de Polignac number, because 28526157 - 2¹¹ = 28524109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28526257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 907 + ... + 7607.

It is an arithmetic number, because the mean of its divisors is an integer number (1916772).

Almost surely, 2^28526157 is an apocalyptic number.

It is an amenable number.

28526157 is a deficient number, since it is larger than the sum of its proper divisors (17476371).

28526157 is a wasteful number, since it uses less digits than its factorization.

28526157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6761 (or 6758 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 28526157 is about 5340.9883916743. The cubic root of 28526157 is about 305.5491566606.

It can be divided in two parts, 2852 and 6157, that added together give a palindrome (9009).

The spelling of 28526157 in words is "twenty-eight million, five hundred twenty-six thousand, one hundred fifty-seven".