28029151 has 2 divisors, whose sum is σ = 28029152. Its totient is φ = 28029150.

The previous prime is 28029149. The next prime is 28029173. The reversal of 28029151 is 15192082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28029151 - 2¹ = 28029149 is a prime.

Together with 28029149, it forms a pair of twin primes.

It is equal to p_1743175 and since 28029151 and 1743175 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28029251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14014575 + 14014576.

It is an arithmetic number, because the mean of its divisors is an integer number (14014576).

Almost surely, 2^28029151 is an apocalyptic number.

28029151 is a deficient number, since it is larger than the sum of its proper divisors (1).

28029151 is an equidigital number, since it uses as much as digits as its factorization.

28029151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 28029151 is about 5294.2564161552. The cubic root of 28029151 is about 303.7642411202.

The spelling of 28029151 in words is "twenty-eight million, twenty-nine thousand, one hundred fifty-one".