2555601 has 8 divisors (see below), whose sum is σ = 3428544. Its totient is φ = 1693200.

The previous prime is 2555591. The next prime is 2555617. The reversal of 2555601 is 1065552.

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

It is not a de Polignac number, because 2555601 - 2⁵ = 2555569 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

2555601 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2550601) 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, 2050 + ... + 3051.

It is an arithmetic number, because the mean of its divisors is an integer number (428568).

2^2555601 is an apocalyptic number.

It is an amenable number.

2555601 is a deficient number, since it is larger than the sum of its proper divisors (872943).

2555601 is a wasteful number, since it uses less digits than its factorization.

2555601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 2555601 is about 1598.6247214403. The cubic root of 2555601 is about 136.7196747246.

The spelling of 2555601 in words is "two million, five hundred fifty-five thousand, six hundred one".