28025053 has 4 divisors (see below), whose sum is σ = 32028640. Its totient is φ = 24021468.

The previous prime is 28025051. The next prime is 28025071. The reversal of 28025053 is 35052082.

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 28025053 - 2¹ = 28025051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28025051) 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, 2001783 + ... + 2001796.

It is an arithmetic number, because the mean of its divisors is an integer number (8007160).

Almost surely, 2^28025053 is an apocalyptic number.

It is an amenable number.

28025053 is a deficient number, since it is larger than the sum of its proper divisors (4003587).

28025053 is an equidigital number, since it uses as much as digits as its factorization.

28025053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003586.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 28025053 is about 5293.8693788192. The cubic root of 28025053 is about 303.7494364557.

The spelling of 28025053 in words is "twenty-eight million, twenty-five thousand, fifty-three".