3871537 has 2 divisors, whose sum is σ = 3871538. Its totient is φ = 3871536.

The previous prime is 3871523. The next prime is 3871547. The reversal of 3871537 is 7351783.

3871537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3837681 + 33856 = 1959^2 + 184^2 .

It is an emirp because it is prime and its reverse (7351783) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3871537 is a prime.

It is not a weakly prime, because it can be changed into another prime (3871547) 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, 1935768 + 1935769.

It is an arithmetic number, because the mean of its divisors is an integer number (1935769).

Almost surely, 2^3871537 is an apocalyptic number.

It is an amenable number.

3871537 is a deficient number, since it is larger than the sum of its proper divisors (1).

3871537 is an equidigital number, since it uses as much as digits as its factorization.

3871537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 34.

The square root of 3871537 is about 1967.6221690152. The cubic root of 3871537 is about 157.0222289918.

The spelling of 3871537 in words is "three million, eight hundred seventy-one thousand, five hundred thirty-seven".