16052381 has 2 divisors, whose sum is σ = 16052382. Its totient is φ = 16052380.

The previous prime is 16052371. The next prime is 16052411. The reversal of 16052381 is 18325061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14822500 + 1229881 = 3850^2 + 1109^2 .

It is a cyclic number.

It is not a de Polignac number, because 16052381 - 2⁶ = 16052317 is a prime.

It is a super-2 number, since 2×16052381² = 515357871538322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16052381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16052371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8026190 + 8026191.

It is an arithmetic number, because the mean of its divisors is an integer number (8026191).

Almost surely, 2^16052381 is an apocalyptic number.

It is an amenable number.

16052381 is a deficient number, since it is larger than the sum of its proper divisors (1).

16052381 is an equidigital number, since it uses as much as digits as its factorization.

16052381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 16052381 is about 4006.5422748300. The cubic root of 16052381 is about 252.2588934614.

The spelling of 16052381 in words is "sixteen million, fifty-two thousand, three hundred eighty-one".