2561193 has 16 divisors (see below), whose sum is σ = 3926400. Its totient is φ = 1648080.

The previous prime is 2561191. The next prime is 2561201. The reversal of 2561193 is 3911652.

It is not a de Polignac number, because 2561193 - 2¹ = 2561191 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 853 + ... + 2418.

It is an arithmetic number, because the mean of its divisors is an integer number (245400).

2^2561193 is an apocalyptic number.

It is an amenable number.

2561193 is a deficient number, since it is larger than the sum of its proper divisors (1365207).

2561193 is a wasteful number, since it uses less digits than its factorization.

2561193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309 (or 3303 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 2561193 is about 1600.3727690760. The cubic root of 2561193 is about 136.8193224476.

The spelling of 2561193 in words is "two million, five hundred sixty-one thousand, one hundred ninety-three".