16257701 has 2 divisors, whose sum is σ = 16257702. Its totient is φ = 16257700.

The previous prime is 16257679. The next prime is 16257721. The reversal of 16257701 is 10775261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12609601 + 3648100 = 3551^2 + 1910^2 .

It is a cyclic number.

It is not a de Polignac number, because 16257701 - 2¹⁰ = 16256677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16257721) 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, 8128850 + 8128851.

It is an arithmetic number, because the mean of its divisors is an integer number (8128851).

Almost surely, 2^16257701 is an apocalyptic number.

It is an amenable number.

16257701 is a deficient number, since it is larger than the sum of its proper divisors (1).

16257701 is an equidigital number, since it uses as much as digits as its factorization.

16257701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 16257701 is about 4032.0839524990. The cubic root of 16257701 is about 253.3298566390.

The spelling of 16257701 in words is "sixteen million, two hundred fifty-seven thousand, seven hundred one".