2665375 has 8 divisors (see below), whose sum is σ = 3326544. Its totient is φ = 2132200.

The previous prime is 2665373. The next prime is 2665387. The reversal of 2665375 is 5735662.

It is not a de Polignac number, because 2665375 - 2¹ = 2665373 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2665375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665373) 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, 10537 + ... + 10786.

It is an arithmetic number, because the mean of its divisors is an integer number (415818).

2^2665375 is an apocalyptic number.

2665375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2665375 is a deficient number, since it is larger than the sum of its proper divisors (661169).

2665375 is an equidigital number, since it uses as much as digits as its factorization.

2665375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21338 (or 21328 counting only the distinct ones).

The product of its digits is 37800, while the sum is 34.

The square root of 2665375 is about 1632.5976234210. The cubic root of 2665375 is about 138.6498614630.

The spelling of 2665375 in words is "two million, six hundred sixty-five thousand, three hundred seventy-five".