2420237 has 2 divisors, whose sum is σ = 2420238. Its totient is φ = 2420236.

The previous prime is 2420213. The next prime is 2420251. The reversal of 2420237 is 7320242.

It is a happy number.

2420237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2353156 + 67081 = 1534^2 + 259^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420237 - 2⁸ = 2419981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420287) 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, 1210118 + 1210119.

It is an arithmetic number, because the mean of its divisors is an integer number (1210119).

2^2420237 is an apocalyptic number.

It is an amenable number.

2420237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420237 is an equidigital number, since it uses as much as digits as its factorization.

2420237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2420237 is about 1555.7110914305. The cubic root of 2420237 is about 134.2618515338.

Adding to 2420237 its reverse (7320242), we get a palindrome (9740479).

The spelling of 2420237 in words is "two million, four hundred twenty thousand, two hundred thirty-seven".