28523254 has 8 divisors (see below), whose sum is σ = 43265880. Its totient is φ = 14101296.

The previous prime is 28523239. The next prime is 28523273. The reversal of 28523254 is 45232582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79944 + ... + 80299.

It is an arithmetic number, because the mean of its divisors is an integer number (5408235).

Almost surely, 2^28523254 is an apocalyptic number.

28523254 is a deficient number, since it is larger than the sum of its proper divisors (14742626).

28523254 is a wasteful number, since it uses less digits than its factorization.

28523254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160334.

The product of its digits is 19200, while the sum is 31.

The square root of 28523254 is about 5340.7166185822. The cubic root of 28523254 is about 305.5387914451.

The spelling of 28523254 in words is "twenty-eight million, five hundred twenty-three thousand, two hundred fifty-four".