6601231 has 24 divisors (see below), whose sum is σ = 8497104. Its totient is φ = 5080320.

The previous prime is 6601223. The next prime is 6601247. The reversal of 6601231 is 1321066.

It is not a de Polignac number, because 6601231 - 2³ = 6601223 is a prime.

It is a super-2 number, since 2×6601231² = 87152501430722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6601199 and 6601208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6601201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27271 + ... + 27511.

It is an arithmetic number, because the mean of its divisors is an integer number (354046).

Almost surely, 2^6601231 is an apocalyptic number.

6601231 is a deficient number, since it is larger than the sum of its proper divisors (1895873).

6601231 is a wasteful number, since it uses less digits than its factorization.

6601231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 304 counting only the distinct ones).

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

The square root of 6601231 is about 2569.2860876127. The cubic root of 6601231 is about 187.5894068423.

Adding to 6601231 its reverse (1321066), we get a palindrome (7922297).

It can be divided in two parts, 660 and 1231, that added together give a triangular number (1891 = T₆₁).

The spelling of 6601231 in words is "six million, six hundred one thousand, two hundred thirty-one".