2421253 has 2 divisors, whose sum is σ = 2421254. Its totient is φ = 2421252.

The previous prime is 2421247. The next prime is 2421277. The reversal of 2421253 is 3521242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1435204 + 986049 = 1198^2 + 993^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421253 - 2¹⁷ = 2290181 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 4⁴ + 2²⁰ + 1 + 2²⁰ + 5⁶ + 3¹¹ .

2421253 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2421253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210626 + 1210627.

It is an arithmetic number, because the mean of its divisors is an integer number (1210627).

2^2421253 is an apocalyptic number.

It is an amenable number.

2421253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421253 is an equidigital number, since it uses as much as digits as its factorization.

2421253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 19.

The square root of 2421253 is about 1556.0375959468. The cubic root of 2421253 is about 134.2806363274.

Adding to 2421253 its reverse (3521242), we get a palindrome (5942495).

The spelling of 2421253 in words is "two million, four hundred twenty-one thousand, two hundred fifty-three".