2533121 has 8 divisors (see below), whose sum is σ = 2647080. Its totient is φ = 2420992.

The previous prime is 2533081. The next prime is 2533127. The reversal of 2533121 is 1213352.

It can be written as a sum of positive squares in 4 ways, for example, as 87025 + 2446096 = 295^2 + 1564^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2533121 - 2¹⁸ = 2270977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2533121.

It is not an unprimeable number, because it can be changed into a prime (2533127) 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, 2891 + ... + 3663.

It is an arithmetic number, because the mean of its divisors is an integer number (330885).

2^2533121 is an apocalyptic number.

It is an amenable number.

2533121 is a deficient number, since it is larger than the sum of its proper divisors (113959).

2533121 is a wasteful number, since it uses less digits than its factorization.

2533121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915.

The product of its digits is 180, while the sum is 17.

The square root of 2533121 is about 1591.5781476258. The cubic root of 2533121 is about 136.3176147864.

Adding to 2533121 its reverse (1213352), we get a palindrome (3746473).

It can be divided in two parts, 25331 and 21, that added together give a palindrome (25352).

The spelling of 2533121 in words is "two million, five hundred thirty-three thousand, one hundred twenty-one".