28290151 has 2 divisors, whose sum is σ = 28290152. Its totient is φ = 28290150.

The previous prime is 28290131. The next prime is 28290169. The reversal of 28290151 is 15109282.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28290151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28290131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14145075 + 14145076.

It is an arithmetic number, because the mean of its divisors is an integer number (14145076).

Almost surely, 2^28290151 is an apocalyptic number.

28290151 is a deficient number, since it is larger than the sum of its proper divisors (1).

28290151 is an equidigital number, since it uses as much as digits as its factorization.

28290151 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 28290151 is about 5318.8486536092. The cubic root of 28290151 is about 304.7041868976.

It can be divided in two parts, 28290 and 151, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 28290151 in words is "twenty-eight million, two hundred ninety thousand, one hundred fifty-one".