28582545 has 16 divisors (see below), whose sum is σ = 47309760. Its totient is φ = 14718144.

The previous prime is 28582531. The next prime is 28582597. The reversal of 28582545 is 54528582.

It is not a de Polignac number, because 28582545 - 2⁵ = 28582513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32419 + ... + 33288.

It is an arithmetic number, because the mean of its divisors is an integer number (2956860).

Almost surely, 2^28582545 is an apocalyptic number.

It is an amenable number.

28582545 is a deficient number, since it is larger than the sum of its proper divisors (18727215).

28582545 is a wasteful number, since it uses less digits than its factorization.

28582545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65744.

The product of its digits is 128000, while the sum is 39.

The square root of 28582545 is about 5346.2645838005. The cubic root of 28582545 is about 305.7503517233.

The spelling of 28582545 in words is "twenty-eight million, five hundred eighty-two thousand, five hundred forty-five".