2353121 has 2 divisors, whose sum is σ = 2353122. Its totient is φ = 2353120.

The previous prime is 2353103. The next prime is 2353129. The reversal of 2353121 is 1213532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1221025 + 1132096 = 1105^2 + 1064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2353121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2353121.

It is not a weakly prime, because it can be changed into another prime (2353129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1176560 + 1176561.

It is an arithmetic number, because the mean of its divisors is an integer number (1176561).

2^2353121 is an apocalyptic number.

It is an amenable number.

2353121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2353121 is an equidigital number, since it uses as much as digits as its factorization.

2353121 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2353121 is about 1533.9885918741. The cubic root of 2353121 is about 133.0091199204.

Adding to 2353121 its reverse (1213532), we get a palindrome (3566653).

The spelling of 2353121 in words is "two million, three hundred fifty-three thousand, one hundred twenty-one".