2421230513 has 8 divisors (see below), whose sum is σ = 2607864168. Its totient is φ = 2234651904.

The previous prime is 2421230501. The next prime is 2421230551. The reversal of 2421230513 is 3150321242.

It can be written as a sum of positive squares in 4 ways, for example, as 85248289 + 2335982224 = 9233^2 + 48332^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2421230513 - 2²⁰ = 2420181937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2421230573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148745 + ... + 164217.

It is an arithmetic number, because the mean of its divisors is an integer number (325983021).

Almost surely, 2^2421230513 is an apocalyptic number.

It is an amenable number.

2421230513 is a deficient number, since it is larger than the sum of its proper divisors (186633655).

2421230513 is a wasteful number, since it uses less digits than its factorization.

2421230513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27523.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2421230513 is about 49206.0007824249. Note that the first 3 decimals coincide. The cubic root of 2421230513 is about 1342.8022062282.

Adding to 2421230513 its reverse (3150321242), we get a palindrome (5571551755).

The spelling of 2421230513 in words is "two billion, four hundred twenty-one million, two hundred thirty thousand, five hundred thirteen".