3241401512021 has 4 divisors (see below), whose sum is σ = 3241418566092. Its totient is φ = 3241384457952.

The previous prime is 3241401511979. The next prime is 3241401512051. The reversal of 3241401512021 is 1202151041423.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1991242720996 + 1250158791025 = 1411114^2 + 1118105^2 .

It is a cyclic number.

It is not a de Polignac number, because 3241401512021 - 2¹⁴ = 3241401495637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3241401512051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8238686 + ... + 8623151.

It is an arithmetic number, because the mean of its divisors is an integer number (810354641523).

Almost surely, 2^{3241401512021} is an apocalyptic number.

It is an amenable number.

3241401512021 is a deficient number, since it is larger than the sum of its proper divisors (17054071).

3241401512021 is a wasteful number, since it uses less digits than its factorization.

3241401512021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17054070.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 3241401512021 its reverse (1202151041423), we get a palindrome (4443552553444).

The spelling of 3241401512021 in words is "three trillion, two hundred forty-one billion, four hundred one million, five hundred twelve thousand, twenty-one".