28547541 has 12 divisors (see below), whose sum is σ = 44984160. Its totient is φ = 17301480.

The previous prime is 28547537. The next prime is 28547567. The reversal of 28547541 is 14574582.

It is not a de Polignac number, because 28547541 - 2² = 28547537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28547496 and 28547505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28547341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144081 + ... + 144278.

It is an arithmetic number, because the mean of its divisors is an integer number (3748680).

Almost surely, 2^28547541 is an apocalyptic number.

It is an amenable number.

28547541 is a deficient number, since it is larger than the sum of its proper divisors (16436619).

28547541 is a wasteful number, since it uses less digits than its factorization.

28547541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288376 (or 288373 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 28547541 is about 5342.9898933088. The cubic root of 28547541 is about 305.6254869703.

The spelling of 28547541 in words is "twenty-eight million, five hundred forty-seven thousand, five hundred forty-one".