3581113 has 2 divisors, whose sum is σ = 3581114. Its totient is φ = 3581112.

The previous prime is 3581107. The next prime is 3581117. The reversal of 3581113 is 3111853.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3504384 + 76729 = 1872^2 + 277^2 .

It is an emirp because it is prime and its reverse (3111853) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3581113 is a prime.

It is not a weakly prime, because it can be changed into another prime (3581117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1790556 + 1790557.

It is an arithmetic number, because the mean of its divisors is an integer number (1790557).

Almost surely, 2^3581113 is an apocalyptic number.

It is an amenable number.

3581113 is a deficient number, since it is larger than the sum of its proper divisors (1).

3581113 is an equidigital number, since it uses as much as digits as its factorization.

3581113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 22.

The square root of 3581113 is about 1892.3828893752. The cubic root of 3581113 is about 152.9933925693.

Adding to 3581113 its reverse (3111853), we get a palindrome (6692966).

The spelling of 3581113 in words is "three million, five hundred eighty-one thousand, one hundred thirteen".