28052453 has 8 divisors (see below), whose sum is σ = 32956896. Its totient is φ = 23540400.

The previous prime is 28052449. The next prime is 28052477. The reversal of 28052453 is 35425082.

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

It is not a de Polignac number, because 28052453 - 2² = 28052449 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 (28052053) 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, 97943 + ... + 98228.

It is an arithmetic number, because the mean of its divisors is an integer number (4119612).

Almost surely, 2^28052453 is an apocalyptic number.

It is an amenable number.

28052453 is a deficient number, since it is larger than the sum of its proper divisors (4904443).

28052453 is a wasteful number, since it uses less digits than its factorization.

28052453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196195.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 28052453 is about 5296.4566457208. The cubic root of 28052453 is about 303.8483958125.

The spelling of 28052453 in words is "twenty-eight million, fifty-two thousand, four hundred fifty-three".