2561192 has 8 divisors (see below), whose sum is σ = 4802250. Its totient is φ = 1280592.

The previous prime is 2561191. The next prime is 2561201. The reversal of 2561192 is 2911652.

It can be written as a sum of positive squares in only one way, i.e., 2515396 + 45796 = 1586^2 + 214^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2561191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160067 + ... + 160082.

2^2561192 is an apocalyptic number.

It is an amenable number.

2561192 is a deficient number, since it is larger than the sum of its proper divisors (2241058).

2561192 is a wasteful number, since it uses less digits than its factorization.

2561192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320155 (or 320151 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 2561192 is about 1600.3724566488. The cubic root of 2561192 is about 136.8193046409.

The spelling of 2561192 in words is "two million, five hundred sixty-one thousand, one hundred ninety-two".