2655997 has 4 divisors (see below), whose sum is σ = 2682396. Its totient is φ = 2629600.

The previous prime is 2655977. The next prime is 2656009. The reversal of 2655997 is 7995562.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2033476 + 622521 = 1426^2 + 789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2655997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13048 + ... + 13249.

It is an arithmetic number, because the mean of its divisors is an integer number (670599).

2^2655997 is an apocalyptic number.

It is an amenable number.

2655997 is a deficient number, since it is larger than the sum of its proper divisors (26399).

2655997 is a wasteful number, since it uses less digits than its factorization.

2655997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26398.

The product of its digits is 170100, while the sum is 43.

The square root of 2655997 is about 1629.7229825955. The cubic root of 2655997 is about 138.4870593113.

The spelling of 2655997 in words is "two million, six hundred fifty-five thousand, nine hundred ninety-seven".