28101349 has 2 divisors, whose sum is σ = 28101350. Its totient is φ = 28101348.

The previous prime is 28101343. The next prime is 28101371. The reversal of 28101349 is 94310182.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25573249 + 2528100 = 5057^2 + 1590^2 .

It is a cyclic number.

It is not a de Polignac number, because 28101349 - 2⁹ = 28100837 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28101343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14050674 + 14050675.

It is an arithmetic number, because the mean of its divisors is an integer number (14050675).

Almost surely, 2^28101349 is an apocalyptic number.

It is an amenable number.

28101349 is a deficient number, since it is larger than the sum of its proper divisors (1).

28101349 is an equidigital number, since it uses as much as digits as its factorization.

28101349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 28101349 is about 5301.0705522564. The cubic root of 28101349 is about 304.0248313339.

The spelling of 28101349 in words is "twenty-eight million, one hundred one thousand, three hundred forty-nine".