28341501 has 4 divisors (see below), whose sum is σ = 37788672. Its totient is φ = 18894332.

The previous prime is 28341493. The next prime is 28341503. The reversal of 28341501 is 10514382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28341501 - 2³ = 28341493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28341503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4723581 + ... + 4723586.

It is an arithmetic number, because the mean of its divisors is an integer number (9447168).

Almost surely, 2^28341501 is an apocalyptic number.

It is an amenable number.

28341501 is a deficient number, since it is larger than the sum of its proper divisors (9447171).

28341501 is an equidigital number, since it uses as much as digits as its factorization.

28341501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9447170.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 28341501 is about 5323.6736376303. The cubic root of 28341501 is about 304.8884336194. Note that the first 3 decimals are identical.

Adding to 28341501 its reverse (10514382), we get a palindrome (38855883).

The spelling of 28341501 in words is "twenty-eight million, three hundred forty-one thousand, five hundred one".