14191057 has 2 divisors, whose sum is σ = 14191058. Its totient is φ = 14191056.

The previous prime is 14191019. The next prime is 14191129. The reversal of 14191057 is 75019141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14107536 + 83521 = 3756^2 + 289^2 .

It is a cyclic number.

It is not a de Polignac number, because 14191057 - 2¹⁹ = 13666769 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14191357) 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, 7095528 + 7095529.

It is an arithmetic number, because the mean of its divisors is an integer number (7095529).

Almost surely, 2^14191057 is an apocalyptic number.

It is an amenable number.

14191057 is a deficient number, since it is larger than the sum of its proper divisors (1).

14191057 is an equidigital number, since it uses as much as digits as its factorization.

14191057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 14191057 is about 3767.1019365024. The cubic root of 14191057 is about 242.1056445149.

The spelling of 14191057 in words is "fourteen million, one hundred ninety-one thousand, fifty-seven".