3254420021 has 8 divisors (see below), whose sum is σ = 3380016384. Its totient is φ = 3130112160.

The previous prime is 3254420017. The next prime is 3254420027. The reversal of 3254420021 is 1200244523.

It is a happy number.

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

It is not a de Polignac number, because 3254420021 - 2² = 3254420017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3254420027) 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, 316976 + ... + 327081.

It is an arithmetic number, because the mean of its divisors is an integer number (422502048).

Almost surely, 2^3254420021 is an apocalyptic number.

3254420021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3254420021 is a deficient number, since it is larger than the sum of its proper divisors (125596363).

3254420021 is a wasteful number, since it uses less digits than its factorization.

3254420021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644251.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 3254420021 is about 57047.5242319945. The cubic root of 3254420021 is about 1481.9192323169.

Adding to 3254420021 its reverse (1200244523), we get a palindrome (4454664544).

The spelling of 3254420021 in words is "three billion, two hundred fifty-four million, four hundred twenty thousand, twenty-one".