2421297 has 12 divisors (see below), whose sum is σ = 3618420. Its totient is φ = 1558368.

The previous prime is 2421283. The next prime is 2421311. The reversal of 2421297 is 7921242.

It is an interprime number because it is at equal distance from previous prime (2421283) and next prime (2421311).

It can be written as a sum of positive squares in 2 ways, for example, as 1648656 + 772641 = 1284^2 + 879^2 .

It is not a de Polignac number, because 2421297 - 2⁴ = 2421281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2421297.

It is not an unprimeable number, because it can be changed into a prime (2421247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4378 + ... + 4899.

It is an arithmetic number, because the mean of its divisors is an integer number (301535).

2^2421297 is an apocalyptic number.

It is an amenable number.

2421297 is a deficient number, since it is larger than the sum of its proper divisors (1197123).

2421297 is a wasteful number, since it uses less digits than its factorization.

2421297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9312 (or 9309 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 2421297 is about 1556.0517343585. The cubic root of 2421297 is about 134.2814497234.

Subtracting 2421297 from its reverse (7921242), we obtain a palindrome (5499945).

It can be divided in two parts, 24 and 21297, that added together give a triangular number (21321 = T₂₀₆).

The spelling of 2421297 in words is "two million, four hundred twenty-one thousand, two hundred ninety-seven".