28452541 has 16 divisors (see below), whose sum is σ = 32731776. Its totient is φ = 24526656.

The previous prime is 28452539. The next prime is 28452547. The reversal of 28452541 is 14525482.

It is a cyclic number.

It is not a de Polignac number, because 28452541 - 2¹ = 28452539 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 (28452547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11751 + ... + 13963.

It is an arithmetic number, because the mean of its divisors is an integer number (2045736).

Almost surely, 2^28452541 is an apocalyptic number.

It is an amenable number.

28452541 is a deficient number, since it is larger than the sum of its proper divisors (4279235).

28452541 is a wasteful number, since it uses less digits than its factorization.

28452541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292.

The product of its digits is 12800, while the sum is 31.

The square root of 28452541 is about 5334.0923314093. The cubic root of 28452541 is about 305.2860918576.

It can be divided in two parts, 284 and 52541, that added together give a palindrome (52825).

The spelling of 28452541 in words is "twenty-eight million, four hundred fifty-two thousand, five hundred forty-one".