2665715 has 8 divisors (see below), whose sum is σ = 3445008. Its totient is φ = 1968480.

The previous prime is 2665687. The next prime is 2665717. The reversal of 2665715 is 5175662.

It is a happy number.

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

It is not a de Polignac number, because 2665715 - 2⁸ = 2665459 is a prime.

It is a super-2 number, since 2×2665715² = 14212072922450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2665717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20441 + ... + 20570.

It is an arithmetic number, because the mean of its divisors is an integer number (430626).

2^2665715 is an apocalyptic number.

2665715 is a deficient number, since it is larger than the sum of its proper divisors (779293).

2665715 is a wasteful number, since it uses less digits than its factorization.

2665715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41029.

The product of its digits is 12600, while the sum is 32.

The square root of 2665715 is about 1632.7017486363. The cubic root of 2665715 is about 138.6557566871.

The spelling of 2665715 in words is "two million, six hundred sixty-five thousand, seven hundred fifteen".