3965537 has 2 divisors, whose sum is σ = 3965538. Its totient is φ = 3965536.

The previous prime is 3965483. The next prime is 3965569. The reversal of 3965537 is 7355693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3857296 + 108241 = 1964^2 + 329^2 .

It is an emirp because it is prime and its reverse (7355693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3965537 - 2¹⁸ = 3703393 is a prime.

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 3965537.

It is not a weakly prime, because it can be changed into another prime (3965587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982768 + 1982769.

It is an arithmetic number, because the mean of its divisors is an integer number (1982769).

Almost surely, 2^3965537 is an apocalyptic number.

It is an amenable number.

3965537 is a deficient number, since it is larger than the sum of its proper divisors (1).

3965537 is an equidigital number, since it uses as much as digits as its factorization.

3965537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85050, while the sum is 38.

The square root of 3965537 is about 1991.3656118353. The cubic root of 3965537 is about 158.2829012666.

The spelling of 3965537 in words is "three million, nine hundred sixty-five thousand, five hundred thirty-seven".