2261593 has 4 divisors (see below), whose sum is σ = 2309760. Its totient is φ = 2213428.

The previous prime is 2261591. The next prime is 2261599. The reversal of 2261593 is 3951622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3951622 = 2 ⋅1975811.

It is a cyclic number.

It is not a de Polignac number, because 2261593 - 2¹ = 2261591 is a prime.

It is a super-2 number, since 2×2261593² = 10229605795298, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2261591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24013 + ... + 24106.

It is an arithmetic number, because the mean of its divisors is an integer number (577440).

2^2261593 is an apocalyptic number.

It is an amenable number.

2261593 is a deficient number, since it is larger than the sum of its proper divisors (48167).

2261593 is an equidigital number, since it uses as much as digits as its factorization.

2261593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48166.

The product of its digits is 3240, while the sum is 28.

The square root of 2261593 is about 1503.8593684251. The cubic root of 2261593 is about 131.2617380281.

The spelling of 2261593 in words is "two million, two hundred sixty-one thousand, five hundred ninety-three".