2656097 has 4 divisors (see below), whose sum is σ = 2812356. Its totient is φ = 2499840.

The previous prime is 2656091. The next prime is 2656099. The reversal of 2656097 is 7906562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7906562 = 2 ⋅3953281.

It can be written as a sum of positive squares in 2 ways, for example, as 707281 + 1948816 = 841^2 + 1396^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656097 - 2⁶ = 2656033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2656091) 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, 78104 + ... + 78137.

It is an arithmetic number, because the mean of its divisors is an integer number (703089).

2^2656097 is an apocalyptic number.

It is an amenable number.

2656097 is a deficient number, since it is larger than the sum of its proper divisors (156259).

2656097 is a wasteful number, since it uses less digits than its factorization.

2656097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156258.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 2656097 is about 1629.7536623674. The cubic root of 2656097 is about 138.4887973318.

The spelling of 2656097 in words is "two million, six hundred fifty-six thousand, ninety-seven".