28373141 has 2 divisors, whose sum is σ = 28373142. Its totient is φ = 28373140.

The previous prime is 28373131. The next prime is 28373143. The reversal of 28373141 is 14137382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16443025 + 11930116 = 4055^2 + 3454^2 .

It is a cyclic number.

It is not a de Polignac number, because 28373141 - 2¹⁰ = 28372117 is a prime.

Together with 28373143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28373143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14186570 + 14186571.

It is an arithmetic number, because the mean of its divisors is an integer number (14186571).

Almost surely, 2^28373141 is an apocalyptic number.

It is an amenable number.

28373141 is a deficient number, since it is larger than the sum of its proper divisors (1).

28373141 is an equidigital number, since it uses as much as digits as its factorization.

28373141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 28373141 is about 5326.6444409215. The cubic root of 28373141 is about 305.0018489541.

The spelling of 28373141 in words is "twenty-eight million, three hundred seventy-three thousand, one hundred forty-one".