16272257 has 2 divisors, whose sum is σ = 16272258. Its totient is φ = 16272256.

The previous prime is 16272253. The next prime is 16272287. The reversal of 16272257 is 75227261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14070001 + 2202256 = 3751^2 + 1484^2 .

It is a cyclic number.

It is not a de Polignac number, because 16272257 - 2² = 16272253 is a prime.

It is not a weakly prime, because it can be changed into another prime (16272251) 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, 8136128 + 8136129.

It is an arithmetic number, because the mean of its divisors is an integer number (8136129).

Almost surely, 2^16272257 is an apocalyptic number.

It is an amenable number.

16272257 is a deficient number, since it is larger than the sum of its proper divisors (1).

16272257 is an equidigital number, since it uses as much as digits as its factorization.

16272257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 32.

The square root of 16272257 is about 4033.8885705979. Note that the first 3 decimals coincide. The cubic root of 16272257 is about 253.4054386547.

The spelling of 16272257 in words is "sixteen million, two hundred seventy-two thousand, two hundred fifty-seven".