28825253 has 2 divisors, whose sum is σ = 28825254. Its totient is φ = 28825252.

The previous prime is 28825249. The next prime is 28825273. The reversal of 28825253 is 35252882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15038884 + 13786369 = 3878^2 + 3713^2 .

It is a cyclic number.

It is not a de Polignac number, because 28825253 - 2² = 28825249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28825213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14412626 + 14412627.

It is an arithmetic number, because the mean of its divisors is an integer number (14412627).

Almost surely, 2^28825253 is an apocalyptic number.

It is an amenable number.

28825253 is a deficient number, since it is larger than the sum of its proper divisors (1).

28825253 is an equidigital number, since it uses as much as digits as its factorization.

28825253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38400, while the sum is 35.

The square root of 28825253 is about 5368.9154398258. The cubic root of 28825253 is about 306.6133375813.

The spelling of 28825253 in words is "twenty-eight million, eight hundred twenty-five thousand, two hundred fifty-three".