2301421 has 2 divisors, whose sum is σ = 2301422. Its totient is φ = 2301420.

The previous prime is 2301407. The next prime is 2301461. The reversal of 2301421 is 1241032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1929321 + 372100 = 1389^2 + 610^2 .

It is a cyclic number.

It is not a de Polignac number, because 2301421 - 2⁵ = 2301389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2301401) 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, 1150710 + 1150711.

It is an arithmetic number, because the mean of its divisors is an integer number (1150711).

2^2301421 is an apocalyptic number.

It is an amenable number.

2301421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2301421 is an equidigital number, since it uses as much as digits as its factorization.

2301421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2301421 is about 1517.0435062977. The cubic root of 2301421 is about 132.0277910570.

Adding to 2301421 its reverse (1241032), we get a palindrome (3542453).

The spelling of 2301421 in words is "two million, three hundred one thousand, four hundred twenty-one".