28413255 has 16 divisors (see below), whose sum is σ = 48958560. Its totient is φ = 13987968.

The previous prime is 28413241. The next prime is 28413263. The reversal of 28413255 is 55231482.

It is not a de Polignac number, because 28413255 - 2⁵ = 28413223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72660 + ... + 73049.

It is an arithmetic number, because the mean of its divisors is an integer number (3059910).

Almost surely, 2^28413255 is an apocalyptic number.

28413255 is a deficient number, since it is larger than the sum of its proper divisors (20545305).

28413255 is a wasteful number, since it uses less digits than its factorization.

28413255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145730.

The product of its digits is 9600, while the sum is 30.

The square root of 28413255 is about 5330.4085209297. The cubic root of 28413255 is about 305.1455186641.

The spelling of 28413255 in words is "twenty-eight million, four hundred thirteen thousand, two hundred fifty-five".