2605031 has 8 divisors (see below), whose sum is σ = 3060624. Its totient is φ = 2185920.

The previous prime is 2605021. The next prime is 2605039. The reversal of 2605031 is 1305062.

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

It is a de Polignac number, because none of the positive numbers 2^k-2605031 is a prime.

It is a super-2 number, since 2×2605031² = 13572373021922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8966 + ... + 9251.

It is an arithmetic number, because the mean of its divisors is an integer number (382578).

2^2605031 is an apocalyptic number.

2605031 is a deficient number, since it is larger than the sum of its proper divisors (455593).

2605031 is a wasteful number, since it uses less digits than its factorization.

2605031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18241.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 2605031 is about 1614.0108425906. The cubic root of 2605031 is about 137.5955215045.

The spelling of 2605031 in words is "two million, six hundred five thousand, thirty-one".