3200001421 has 2 divisors, whose sum is σ = 3200001422. Its totient is φ = 3200001420.

The previous prime is 3200001419. The next prime is 3200001449. The reversal of 3200001421 is 1241000023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1841268100 + 1358733321 = 42910^2 + 36861^2 .

It is an emirp because it is prime and its reverse (1241000023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3200001421 - 2¹ = 3200001419 is a prime.

Together with 3200001419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3200001401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600000710 + 1600000711.

It is an arithmetic number, because the mean of its divisors is an integer number (1600000711).

Almost surely, 2^3200001421 is an apocalyptic number.

It is an amenable number.

3200001421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3200001421 is an equidigital number, since it uses as much as digits as its factorization.

3200001421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3200001421 is about 56568.5550549066. Note that the first 3 decimals coincide. The cubic root of 3200001421 is about 1473.6128175815.

Adding to 3200001421 its reverse (1241000023), we get a palindrome (4441001444).

The spelling of 3200001421 in words is "three billion, two hundred million, one thousand, four hundred twenty-one".