28253102 has 8 divisors (see below), whose sum is σ = 42602112. Its totient is φ = 14052400.

The previous prime is 28253083. The next prime is 28253119. The reversal of 28253102 is 20135282.

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, 36599 + ... + 37362.

It is an arithmetic number, because the mean of its divisors is an integer number (5325264).

Almost surely, 2^28253102 is an apocalyptic number.

28253102 is a deficient number, since it is larger than the sum of its proper divisors (14349010).

28253102 is a wasteful number, since it uses less digits than its factorization.

28253102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74154.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 28253102 is about 5315.3647099705. The cubic root of 28253102 is about 304.5711144719.

Adding to 28253102 its reverse (20135282), we get a palindrome (48388384).

The spelling of 28253102 in words is "twenty-eight million, two hundred fifty-three thousand, one hundred two".