28098253 has 2 divisors, whose sum is σ = 28098254. Its totient is φ = 28098252.

The previous prime is 28098233. The next prime is 28098269. The reversal of 28098253 is 35289082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24423364 + 3674889 = 4942^2 + 1917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28098253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28098233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14049126 + 14049127.

It is an arithmetic number, because the mean of its divisors is an integer number (14049127).

Almost surely, 2^28098253 is an apocalyptic number.

It is an amenable number.

28098253 is a deficient number, since it is larger than the sum of its proper divisors (1).

28098253 is an equidigital number, since it uses as much as digits as its factorization.

28098253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 28098253 is about 5300.7785277259. The cubic root of 28098253 is about 304.0136658503.

The spelling of 28098253 in words is "twenty-eight million, ninety-eight thousand, two hundred fifty-three".