28525382 has 8 divisors (see below), whose sum is σ = 44648496. Its totient is φ = 13642552.

The previous prime is 28525373. The next prime is 28525391. The reversal of 28525382 is 28352582.

It is an interprime number because it is at equal distance from previous prime (28525373) and next prime (28525391).

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, 310013 + ... + 310104.

It is an arithmetic number, because the mean of its divisors is an integer number (5581062).

Almost surely, 2^28525382 is an apocalyptic number.

28525382 is a deficient number, since it is larger than the sum of its proper divisors (16123114).

28525382 is a wasteful number, since it uses less digits than its factorization.

28525382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620142.

The product of its digits is 38400, while the sum is 35.

The square root of 28525382 is about 5340.9158390673. The cubic root of 28525382 is about 305.5463895775.

The spelling of 28525382 in words is "twenty-eight million, five hundred twenty-five thousand, three hundred eighty-two".