2421542315 has 16 divisors (see below), whose sum is σ = 2957596416. Its totient is φ = 1902825600.

The previous prime is 2421542309. The next prime is 2421542317. The reversal of 2421542315 is 5132451242.

2421542315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2421542315 - 2¹² = 2421538219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421542317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230630 + ... + 240900.

It is an arithmetic number, because the mean of its divisors is an integer number (184849776).

Almost surely, 2^2421542315 is an apocalyptic number.

2421542315 is a deficient number, since it is larger than the sum of its proper divisors (536054101).

2421542315 is a wasteful number, since it uses less digits than its factorization.

2421542315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110.

The product of its digits is 9600, while the sum is 29.

The square root of 2421542315 is about 49209.1690135080. The cubic root of 2421542315 is about 1342.8598450252.

Adding to 2421542315 its reverse (5132451242), we get a palindrome (7553993557).

The spelling of 2421542315 in words is "two billion, four hundred twenty-one million, five hundred forty-two thousand, three hundred fifteen".