28541453 has 8 divisors (see below), whose sum is σ = 30958200. Its totient is φ = 26206720.

The previous prime is 28541437. The next prime is 28541497. The reversal of 28541453 is 35414582.

It can be written as a sum of positive squares in 4 ways, for example, as 1532644 + 27008809 = 1238^2 + 5197^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28541453 - 2⁴ = 28541437 is a prime.

It is a super-2 number, since 2×28541453² = 1629229078702418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28541053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19778 + ... + 21171.

It is an arithmetic number, because the mean of its divisors is an integer number (3869775).

Almost surely, 2^28541453 is an apocalyptic number.

It is an amenable number.

28541453 is a deficient number, since it is larger than the sum of its proper divisors (2416747).

28541453 is a wasteful number, since it uses less digits than its factorization.

28541453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41007.

The product of its digits is 19200, while the sum is 32.

The square root of 28541453 is about 5342.4201444664. The cubic root of 28541453 is about 305.6037597020.

The spelling of 28541453 in words is "twenty-eight million, five hundred forty-one thousand, four hundred fifty-three".