3601931 has 2 divisors, whose sum is σ = 3601932. Its totient is φ = 3601930.

The previous prime is 3601903. The next prime is 3601937. The reversal of 3601931 is 1391063.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3601931 is a prime.

It is a super-2 number, since 2×3601931² = 25947813857522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3601897 and 3601906.

It is not a weakly prime, because it can be changed into another prime (3601937) 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, 1800965 + 1800966.

It is an arithmetic number, because the mean of its divisors is an integer number (1800966).

Almost surely, 2^3601931 is an apocalyptic number.

3601931 is a deficient number, since it is larger than the sum of its proper divisors (1).

3601931 is an equidigital number, since it uses as much as digits as its factorization.

3601931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 3601931 is about 1897.8753910623. The cubic root of 3601931 is about 153.2892842383.

Adding to 3601931 its reverse (1391063), we get a palindrome (4992994).

The spelling of 3601931 in words is "three million, six hundred one thousand, nine hundred thirty-one".