2533145 has 4 divisors (see below), whose sum is σ = 3039780. Its totient is φ = 2026512.

The previous prime is 2533127. The next prime is 2533163. The reversal of 2533145 is 5413352.

2533145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2533127) and next prime (2533163).

It can be written as a sum of positive squares in 2 ways, for example, as 1721344 + 811801 = 1312^2 + 901^2 .

It is a cyclic number.

It is not a de Polignac number, because 2533145 - 2⁶ = 2533081 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2533145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253310 + ... + 253319.

It is an arithmetic number, because the mean of its divisors is an integer number (759945).

2^2533145 is an apocalyptic number.

It is an amenable number.

2533145 is a deficient number, since it is larger than the sum of its proper divisors (506635).

2533145 is an equidigital number, since it uses as much as digits as its factorization.

2533145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506634.

The product of its digits is 1800, while the sum is 23.

The square root of 2533145 is about 1591.5856872943. The cubic root of 2533145 is about 136.3180452978.

Adding to 2533145 its reverse (5413352), we get a palindrome (7946497).

The spelling of 2533145 in words is "two million, five hundred thirty-three thousand, one hundred forty-five".