28575495 has 24 divisors (see below), whose sum is σ = 53342016. Its totient is φ = 14067648.

The previous prime is 28575473. The next prime is 28575509. The reversal of 28575495 is 59457582.

It is not a de Polignac number, because 28575495 - 2⁹ = 28574983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 28575495.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 23839 + ... + 25008.

It is an arithmetic number, because the mean of its divisors is an integer number (2222584).

Almost surely, 2^28575495 is an apocalyptic number.

28575495 is a deficient number, since it is larger than the sum of its proper divisors (24766521).

28575495 is a wasteful number, since it uses less digits than its factorization.

28575495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48871 (or 48868 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 28575495 is about 5345.6052042776. The cubic root of 28575495 is about 305.7252114704.

The spelling of 28575495 in words is "twenty-eight million, five hundred seventy-five thousand, four hundred ninety-five".