16057439 has 2 divisors, whose sum is σ = 16057440. Its totient is φ = 16057438.

The previous prime is 16057403. The next prime is 16057441. The reversal of 16057439 is 93475061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16057439 - 2¹² = 16053343 is a prime.

It is a Sophie Germain prime.

Together with 16057441, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16057399 and 16057408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16057739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8028719 + 8028720.

It is an arithmetic number, because the mean of its divisors is an integer number (8028720).

Almost surely, 2^16057439 is an apocalyptic number.

16057439 is a deficient number, since it is larger than the sum of its proper divisors (1).

16057439 is an equidigital number, since it uses as much as digits as its factorization.

16057439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 16057439 is about 4007.1734427150. The cubic root of 16057439 is about 252.2853857202.

The spelling of 16057439 in words is "sixteen million, fifty-seven thousand, four hundred thirty-nine".