2561175 has 18 divisors (see below), whose sum is σ = 4587752. Its totient is φ = 1365840.

The previous prime is 2561159. The next prime is 2561179. The reversal of 2561175 is 5711652.

2561175 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2561175 - 2⁴ = 2561159 is a prime.

It is a Duffinian number.

2561175 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2561179) 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 17 ways as a sum of consecutive naturals, for example, 5467 + ... + 5916.

2^2561175 is an apocalyptic number.

2561175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2561175 is a deficient number, since it is larger than the sum of its proper divisors (2026577).

2561175 is a wasteful number, since it uses less digits than its factorization.

2561175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11399 (or 11391 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 2561175 is about 1600.3671453763. The cubic root of 2561175 is about 136.8190019260.

It can be divided in two parts, 256 and 1175, that added together give a triangular number (1431 = T₅₃).

The spelling of 2561175 in words is "two million, five hundred sixty-one thousand, one hundred seventy-five".