28251301 has 8 divisors (see below), whose sum is σ = 31132640. Its totient is φ = 25471152.

The previous prime is 28251281. The next prime is 28251341. The reversal of 28251301 is 10315282.

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

It is a cyclic number.

It is not a de Polignac number, because 28251301 - 2¹¹ = 28249253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28251341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24711 + ... + 25828.

It is an arithmetic number, because the mean of its divisors is an integer number (3891580).

Almost surely, 2^28251301 is an apocalyptic number.

It is an amenable number.

28251301 is a deficient number, since it is larger than the sum of its proper divisors (2881339).

28251301 is a wasteful number, since it uses less digits than its factorization.

28251301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50595.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 28251301 is about 5315.1952927432. The cubic root of 28251301 is about 304.5646426842.

Adding to 28251301 its reverse (10315282), we get a palindrome (38566583).

The spelling of 28251301 in words is "twenty-eight million, two hundred fifty-one thousand, three hundred one".