2561073 has 8 divisors (see below), whose sum is σ = 3563328. Its totient is φ = 1633104.

The previous prime is 2561071. The next prime is 2561089. The reversal of 2561073 is 3701652.

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

It is not a de Polignac number, because 2561073 - 2¹ = 2561071 is a prime.

It is a super-2 number, since 2×2561073² = 13118189822658, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2561071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18490 + ... + 18627.

It is an arithmetic number, because the mean of its divisors is an integer number (445416).

2^2561073 is an apocalyptic number.

2561073 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2561073 is a deficient number, since it is larger than the sum of its proper divisors (1002255).

2561073 is a wasteful number, since it uses less digits than its factorization.

2561073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37143.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 2561073 is about 1600.3352773716. The cubic root of 2561073 is about 136.8171856081.

The spelling of 2561073 in words is "two million, five hundred sixty-one thousand, seventy-three".