2561301 has 20 divisors (see below), whose sum is σ = 3875872. Its totient is φ = 1685448.

The previous prime is 2561291. The next prime is 2561323. The reversal of 2561301 is 1031652.

It is not a de Polignac number, because 2561301 - 2⁵ = 2561269 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 (2561341) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8190 + ... + 8496.

2^2561301 is an apocalyptic number.

It is an amenable number.

2561301 is a deficient number, since it is larger than the sum of its proper divisors (1314571).

2561301 is a wasteful number, since it uses less digits than its factorization.

2561301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2561301 is about 1600.4065108590. The cubic root of 2561301 is about 136.8212455461.

Adding to 2561301 its reverse (1031652), we get a palindrome (3592953).

The spelling of 2561301 in words is "two million, five hundred sixty-one thousand, three hundred one".