28392151 has 2 divisors, whose sum is σ = 28392152. Its totient is φ = 28392150.

The previous prime is 28392139. The next prime is 28392163. The reversal of 28392151 is 15129382.

It is a balanced prime because it is at equal distance from previous prime (28392139) and next prime (28392163).

It is a cyclic number.

It is not a de Polignac number, because 28392151 - 2¹⁹ = 27867863 is a prime.

It is a super-2 number, since 2×28392151² = 1612228476813602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28392181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14196075 + 14196076.

It is an arithmetic number, because the mean of its divisors is an integer number (14196076).

Almost surely, 2^28392151 is an apocalyptic number.

28392151 is a deficient number, since it is larger than the sum of its proper divisors (1).

28392151 is an equidigital number, since it uses as much as digits as its factorization.

28392151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 28392151 is about 5328.4285675985. The cubic root of 28392151 is about 305.0699508106.

The spelling of 28392151 in words is "twenty-eight million, three hundred ninety-two thousand, one hundred fifty-one".