2653121 has 2 divisors, whose sum is σ = 2653122. Its totient is φ = 2653120.

The previous prime is 2653111. The next prime is 2653187. The reversal of 2653121 is 1213562.

2653121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2446096 + 207025 = 1564^2 + 455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2653121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2653093 and 2653102.

It is not a weakly prime, because it can be changed into another prime (2653111) by changing a digit.

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 as a sum of consecutive naturals, namely, 1326560 + 1326561.

It is an arithmetic number, because the mean of its divisors is an integer number (1326561).

2^2653121 is an apocalyptic number.

It is an amenable number.

2653121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2653121 is an equidigital number, since it uses as much as digits as its factorization.

2653121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 20.

The square root of 2653121 is about 1628.8403850593. The cubic root of 2653121 is about 138.4370551598.

Adding to 2653121 its reverse (1213562), we get a palindrome (3866683).

The spelling of 2653121 in words is "two million, six hundred fifty-three thousand, one hundred twenty-one".