2421025745 has 8 divisors (see below), whose sum is σ = 2911056000. Its totient is φ = 1932937200.

The previous prime is 2421025741. The next prime is 2421025751. The reversal of 2421025745 is 5475201242.

2421025745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2421025745 - 2² = 2421025741 is a prime.

It is a super-2 number, since 2×2421025745² = 11722731315905610050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2421025741) 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, 482681 + ... + 487670.

It is an arithmetic number, because the mean of its divisors is an integer number (363882000).

Almost surely, 2^2421025745 is an apocalyptic number.

It is an amenable number.

2421025745 is a deficient number, since it is larger than the sum of its proper divisors (490030255).

2421025745 is an equidigital number, since it uses as much as digits as its factorization.

2421025745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970855.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 2421025745 is about 49203.9200166003. The cubic root of 2421025745 is about 1342.7643507283.

Adding to 2421025745 its reverse (5475201242), we get a palindrome (7896226987).

The spelling of 2421025745 in words is "two billion, four hundred twenty-one million, twenty-five thousand, seven hundred forty-five".