28624151 has 2 divisors, whose sum is σ = 28624152. Its totient is φ = 28624150.

The previous prime is 28624139. The next prime is 28624153. The reversal of 28624151 is 15142682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28624151 - 2⁶ = 28624087 is a prime.

Together with 28624153, 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 (28624153) 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, 14312075 + 14312076.

It is an arithmetic number, because the mean of its divisors is an integer number (14312076).

Almost surely, 2^28624151 is an apocalyptic number.

28624151 is a deficient number, since it is larger than the sum of its proper divisors (1).

28624151 is an equidigital number, since it uses as much as digits as its factorization.

28624151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 29.

The square root of 28624151 is about 5350.1542968404. The cubic root of 28624151 is about 305.8986343165.

The spelling of 28624151 in words is "twenty-eight million, six hundred twenty-four thousand, one hundred fifty-one".