28524058 has 4 divisors (see below), whose sum is σ = 42786090. Its totient is φ = 14262028.

The previous prime is 28524047. The next prime is 28524059. The reversal of 28524058 is 85042582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85042582 = 2 ⋅42521291.

It can be written as a sum of positive squares in only one way, i.e., 27846729 + 677329 = 5277^2 + 823^2 .

It is not an unprimeable number, because it can be changed into a prime (28524059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7131013 + ... + 7131016.

Almost surely, 2^28524058 is an apocalyptic number.

28524058 is a deficient number, since it is larger than the sum of its proper divisors (14262032).

28524058 is a wasteful number, since it uses less digits than its factorization.

28524058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14262031.

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 28524058 is about 5340.7918888494. The cubic root of 28524058 is about 305.5416622125.

The spelling of 28524058 in words is "twenty-eight million, five hundred twenty-four thousand, fifty-eight".