28682253 has 6 divisors (see below), whose sum is σ = 41429934. Its totient is φ = 19121496.

The previous prime is 28682249. The next prime is 28682257. The reversal of 28682253 is 35228682.

It is an interprime number because it is at equal distance from previous prime (28682249) and next prime (28682257).

It can be written as a sum of positive squares in only one way, i.e., 24029604 + 4652649 = 4902^2 + 2157^2 .

It is not a de Polignac number, because 28682253 - 2² = 28682249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28682257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1593450 + ... + 1593467.

It is an arithmetic number, because the mean of its divisors is an integer number (6904989).

Almost surely, 2^28682253 is an apocalyptic number.

It is an amenable number.

28682253 is a deficient number, since it is larger than the sum of its proper divisors (12747681).

28682253 is a wasteful number, since it uses less digits than its factorization.

28682253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186923 (or 3186920 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 28682253 is about 5355.5814810345. The cubic root of 28682253 is about 306.1054679378.

The spelling of 28682253 in words is "twenty-eight million, six hundred eighty-two thousand, two hundred fifty-three".