2611231 has 8 divisors (see below), whose sum is σ = 2998944. Its totient is φ = 2227200.

The previous prime is 2611229. The next prime is 2611237. The reversal of 2611231 is 1321162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2611231 - 2¹ = 2611229 is a prime.

It is a super-2 number, since 2×2611231² = 13637054670722, which contains 22 as substring.

It is a Duffinian number.

2611231 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2611237) 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 in 7 ways as a sum of consecutive naturals, for example, 831 + ... + 2431.

It is an arithmetic number, because the mean of its divisors is an integer number (374868).

2^2611231 is an apocalyptic number.

2611231 is a deficient number, since it is larger than the sum of its proper divisors (387713).

2611231 is a wasteful number, since it uses less digits than its factorization.

2611231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841.

The product of its digits is 72, while the sum is 16.

The square root of 2611231 is about 1615.9303821638. The cubic root of 2611231 is about 137.7045945938.

Adding to 2611231 its reverse (1321162), we get a palindrome (3932393).

The spelling of 2611231 in words is "two million, six hundred eleven thousand, two hundred thirty-one".