2665953 has 32 divisors (see below), whose sum is σ = 4250880. Its totient is φ = 1667952.

The previous prime is 2665939. The next prime is 2665967. The reversal of 2665953 is 3595662.

2665953 is a `hidden beast` number, since 2 + 66 + 595 + 3 = 666.

2665953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2665939) and next prime (2665967).

It is not a de Polignac number, because 2665953 - 2¹⁰ = 2664929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2665913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50275 + ... + 50327.

It is an arithmetic number, because the mean of its divisors is an integer number (132840).

2^2665953 is an apocalyptic number.

2665953 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2665953 is a deficient number, since it is larger than the sum of its proper divisors (1584927).

2665953 is an frugal number, since it uses more digits than its factorization.

2665953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 79 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 2665953 is about 1632.7746323360. The cubic root of 2665953 is about 138.6598830457.

The spelling of 2665953 in words is "two million, six hundred sixty-five thousand, nine hundred fifty-three".