2421259 has 4 divisors (see below), whose sum is σ = 2563704. Its totient is φ = 2278816.

The previous prime is 2421253. The next prime is 2421277. The reversal of 2421259 is 9521242.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-2421259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71197 + ... + 71230.

It is an arithmetic number, because the mean of its divisors is an integer number (640926).

2^2421259 is an apocalyptic number.

2421259 is a deficient number, since it is larger than the sum of its proper divisors (142445).

2421259 is a wasteful number, since it uses less digits than its factorization.

2421259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142444.

The product of its digits is 1440, while the sum is 25.

The square root of 2421259 is about 1556.0395239196. The cubic root of 2421259 is about 134.2807472456.

The spelling of 2421259 in words is "two million, four hundred twenty-one thousand, two hundred fifty-nine".