2452420321 has 8 divisors (see below), whose sum is σ = 2665299560. Its totient is φ = 2243002752.

The previous prime is 2452420319. The next prime is 2452420343. The reversal of 2452420321 is 1230242542.

2452420321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 55338721 + 2397081600 = 7439^2 + 48960^2 .

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 2452420321 - 2¹ = 2452420319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2452420021) 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, 863940 + ... + 866773.

It is an arithmetic number, because the mean of its divisors is an integer number (333162445).

Almost surely, 2^2452420321 is an apocalyptic number.

It is an amenable number.

2452420321 is a deficient number, since it is larger than the sum of its proper divisors (212879239).

2452420321 is a wasteful number, since it uses less digits than its factorization.

2452420321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730835.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2452420321 is about 49521.9175820161. The cubic root of 2452420321 is about 1348.5435267978.

Adding to 2452420321 its reverse (1230242542), we get a palindrome (3682662863).

The spelling of 2452420321 in words is "two billion, four hundred fifty-two million, four hundred twenty thousand, three hundred twenty-one".