2261633 has 4 divisors (see below), whose sum is σ = 2467248. Its totient is φ = 2056020.

The previous prime is 2261621. The next prime is 2261639. The reversal of 2261633 is 3361622.

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.

It is a cyclic number.

It is not a de Polignac number, because 2261633 - 2⁴ = 2261617 is a prime.

It is a super-2 number, since 2×2261633² = 10229967653378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2261599 and 2261608.

It is not an unprimeable number, because it can be changed into a prime (2261639) 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, 102791 + ... + 102812.

It is an arithmetic number, because the mean of its divisors is an integer number (616812).

2^2261633 is an apocalyptic number.

It is an amenable number.

2261633 is a deficient number, since it is larger than the sum of its proper divisors (205615).

2261633 is a wasteful number, since it uses less digits than its factorization.

2261633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205614.

The product of its digits is 1296, while the sum is 23.

The square root of 2261633 is about 1503.8726674822. The cubic root of 2261633 is about 131.2625118836.

The spelling of 2261633 in words is "two million, two hundred sixty-one thousand, six hundred thirty-three".