3613931 has 2 divisors, whose sum is σ = 3613932. Its totient is φ = 3613930.

The previous prime is 3613889. The next prime is 3613957. The reversal of 3613931 is 1393163.

It is an a-pointer prime, because the next prime (3613957) can be obtained adding 3613931 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3613931 - 2⁶ = 3613867 is a prime.

It is a super-2 number, since 2×3613931² = 26120994545522, 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 3613931.

It is not a weakly prime, because it can be changed into another prime (3613991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806965 + 1806966.

It is an arithmetic number, because the mean of its divisors is an integer number (1806966).

Almost surely, 2^3613931 is an apocalyptic number.

3613931 is a deficient number, since it is larger than the sum of its proper divisors (1).

3613931 is an equidigital number, since it uses as much as digits as its factorization.

3613931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1458, while the sum is 26.

The square root of 3613931 is about 1901.0341922227. The cubic root of 3613931 is about 153.4593256617.

The spelling of 3613931 in words is "three million, six hundred thirteen thousand, nine hundred thirty-one".