2045633 has 4 divisors (see below), whose sum is σ = 2066820. Its totient is φ = 2024448.

The previous prime is 2045629. The next prime is 2045647. The reversal of 2045633 is 3365402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3365402 = 2 ⋅1682701.

It can be written as a sum of positive squares in 2 ways, for example, as 1620529 + 425104 = 1273^2 + 652^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045633 - 2² = 2045629 is a prime.

It is a super-2 number, since 2×2045633² = 8369228741378, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁹ + 0 + 4⁸ + 5⁹ + 6³ + 3⁸ + 3⁹ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2045599 and 2045608.

It is not an unprimeable number, because it can be changed into a prime (2045653) 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, 10448 + ... + 10641.

It is an arithmetic number, because the mean of its divisors is an integer number (516705).

2^2045633 is an apocalyptic number.

It is an amenable number.

2045633 is a deficient number, since it is larger than the sum of its proper divisors (21187).

2045633 is an equidigital number, since it uses as much as digits as its factorization.

2045633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21186.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2045633 is about 1430.2562707431. The cubic root of 2045633 is about 126.9431411006.

The spelling of 2045633 in words is "two million, forty-five thousand, six hundred thirty-three".