2561162 has 8 divisors (see below), whose sum is σ = 4044000. Its totient is φ = 1213164.

The previous prime is 2561159. The next prime is 2561179. The reversal of 2561162 is 2611652.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33662 + ... + 33737.

It is an arithmetic number, because the mean of its divisors is an integer number (505500).

2^2561162 is an apocalyptic number.

2561162 is a deficient number, since it is larger than the sum of its proper divisors (1482838).

2561162 is a wasteful number, since it uses less digits than its factorization.

2561162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67420.

The product of its digits is 720, while the sum is 23.

The square root of 2561162 is about 1600.3630838032. The cubic root of 2561162 is about 136.8187704372.

The spelling of 2561162 in words is "two million, five hundred sixty-one thousand, one hundred sixty-two".