3813539 has 2 divisors, whose sum is σ = 3813540. Its totient is φ = 3813538.

The previous prime is 3813521. The next prime is 3813571. The reversal of 3813539 is 9353183.

It is an a-pointer prime, because the next prime (3813571) can be obtained adding 3813539 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3813539 is a prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (3813599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1906769 + 1906770.

It is an arithmetic number, because the mean of its divisors is an integer number (1906770).

Almost surely, 2^3813539 is an apocalyptic number.

3813539 is a deficient number, since it is larger than the sum of its proper divisors (1).

3813539 is an equidigital number, since it uses as much as digits as its factorization.

3813539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 32.

The square root of 3813539 is about 1952.8284614886. The cubic root of 3813539 is about 156.2341842125.

The spelling of 3813539 in words is "three million, eight hundred thirteen thousand, five hundred thirty-nine".