2421250345 has 4 divisors (see below), whose sum is σ = 2905500420. Its totient is φ = 1937000272.

The previous prime is 2421250333. The next prime is 2421250361. The reversal of 2421250345 is 5430521242.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1048399641 + 1372850704 = 32379^2 + 37052^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421250345 - 2³¹ = 273766697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242125030 + ... + 242125039.

It is an arithmetic number, because the mean of its divisors is an integer number (726375105).

Almost surely, 2^2421250345 is an apocalyptic number.

It is an amenable number.

2421250345 is a deficient number, since it is larger than the sum of its proper divisors (484250075).

2421250345 is an equidigital number, since it uses as much as digits as its factorization.

2421250345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484250074.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2421250345 is about 49206.2023021489. The cubic root of 2421250345 is about 1342.8058724605.

Adding to 2421250345 its reverse (5430521242), we get a palindrome (7851771587).

The spelling of 2421250345 in words is "two billion, four hundred twenty-one million, two hundred fifty thousand, three hundred forty-five".