3611941 has 2 divisors, whose sum is σ = 3611942. Its totient is φ = 3611940.

The previous prime is 3611893. The next prime is 3611947. The reversal of 3611941 is 1491163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2464900 + 1147041 = 1570^2 + 1071^2 .

It is a cyclic number.

It is not a de Polignac number, because 3611941 - 2¹⁹ = 3087653 is a prime.

It is a super-2 number, since 2×3611941² = 26092235574962, which contains 22 as substring.

It is equal to p₂₅₇₅₄₂ and since 3611941 and 257542 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3611947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1805970 + 1805971.

It is an arithmetic number, because the mean of its divisors is an integer number (1805971).

Almost surely, 2^3611941 is an apocalyptic number.

It is an amenable number.

3611941 is a deficient number, since it is larger than the sum of its proper divisors (1).

3611941 is an equidigital number, since it uses as much as digits as its factorization.

3611941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 25.

The square root of 3611941 is about 1900.5107208327. The cubic root of 3611941 is about 153.4311531880.

The spelling of 3611941 in words is "three million, six hundred eleven thousand, nine hundred forty-one".