28357151 has 2 divisors, whose sum is σ = 28357152. Its totient is φ = 28357150.

The previous prime is 28357141. The next prime is 28357171. The reversal of 28357151 is 15175382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28357151 - 2¹⁰ = 28356127 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 (28357141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14178575 + 14178576.

It is an arithmetic number, because the mean of its divisors is an integer number (14178576).

Almost surely, 2^28357151 is an apocalyptic number.

28357151 is a deficient number, since it is larger than the sum of its proper divisors (1).

28357151 is an equidigital number, since it uses as much as digits as its factorization.

28357151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 32.

The square root of 28357151 is about 5325.1432844572. The cubic root of 28357151 is about 304.9445424565.

The spelling of 28357151 in words is "twenty-eight million, three hundred fifty-seven thousand, one hundred fifty-one".