16254157 has 2 divisors, whose sum is σ = 16254158. Its totient is φ = 16254156.

The previous prime is 16254149. The next prime is 16254167. The reversal of 16254157 is 75145261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16232841 + 21316 = 4029^2 + 146^2 .

It is a cyclic number.

It is not a de Polignac number, because 16254157 - 2³ = 16254149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16254127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8127078 + 8127079.

It is an arithmetic number, because the mean of its divisors is an integer number (8127079).

Almost surely, 2^16254157 is an apocalyptic number.

It is an amenable number.

16254157 is a deficient number, since it is larger than the sum of its proper divisors (1).

16254157 is an equidigital number, since it uses as much as digits as its factorization.

16254157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 31.

The square root of 16254157 is about 4031.6444535698. The cubic root of 16254157 is about 253.3114475938.

The spelling of 16254157 in words is "sixteen million, two hundred fifty-four thousand, one hundred fifty-seven".