28230151 has 2 divisors, whose sum is σ = 28230152. Its totient is φ = 28230150.

The previous prime is 28230113. The next prime is 28230161. The reversal of 28230151 is 15103282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28230151 - 2⁷ = 28230023 is a prime.

It is a super-3 number, since 3×28230151³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28230101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14115075 + 14115076.

It is an arithmetic number, because the mean of its divisors is an integer number (14115076).

Almost surely, 2^28230151 is an apocalyptic number.

28230151 is a deficient number, since it is larger than the sum of its proper divisors (1).

28230151 is an equidigital number, since it uses as much as digits as its factorization.

28230151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 28230151 is about 5313.2053414112. The cubic root of 28230151 is about 304.4886208127.

The spelling of 28230151 in words is "twenty-eight million, two hundred thirty thousand, one hundred fifty-one".