2605672331 has 8 divisors (see below), whose sum is σ = 2904155280. Its totient is φ = 2323323648.

The previous prime is 2605672309. The next prime is 2605672367. The reversal of 2605672331 is 1332765062.

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

It is not a de Polignac number, because 2605672331 - 2¹⁸ = 2605410187 is a prime.

It is a super-2 number, since 2×2605672331² = 13579056593077947122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2605672291 and 2605672300.

It is not an unprimeable number, because it can be changed into a prime (2605672931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4033226 + ... + 4033871.

It is an arithmetic number, because the mean of its divisors is an integer number (363019410).

Almost surely, 2^2605672331 is an apocalyptic number.

2605672331 is a deficient number, since it is larger than the sum of its proper divisors (298482949).

2605672331 is a wasteful number, since it uses less digits than its factorization.

2605672331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8067133.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 2605672331 is about 51045.7866135884. The cubic root of 2605672331 is about 1376.0681209726.

The spelling of 2605672331 in words is "two billion, six hundred five million, six hundred seventy-two thousand, three hundred thirty-one".