3611431 has 2 divisors, whose sum is σ = 3611432. Its totient is φ = 3611430.

The previous prime is 3611423. The next prime is 3611453. The reversal of 3611431 is 1341163.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3611431 - 2³ = 3611423 is a prime.

It is a super-2 number, since 2×3611431² = 26084867735522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3611399 and 3611408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3611401) 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, 1805715 + 1805716.

It is an arithmetic number, because the mean of its divisors is an integer number (1805716).

Almost surely, 2^3611431 is an apocalyptic number.

3611431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3611431 is an equidigital number, since it uses as much as digits as its factorization.

3611431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 19.

The square root of 3611431 is about 1900.3765416359. The cubic root of 3611431 is about 153.4239314411.

Adding to 3611431 its reverse (1341163), we get a palindrome (4952594).

The spelling of 3611431 in words is "three million, six hundred eleven thousand, four hundred thirty-one".