4021513241 has 4 divisors (see below), whose sum is σ = 4021704192. Its totient is φ = 4021322292.

The previous prime is 4021513211. The next prime is 4021513247. The reversal of 4021513241 is 1423151204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4021513241 - 2¹⁸ = 4021251097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021513247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59321 + ... + 107526.

It is an arithmetic number, because the mean of its divisors is an integer number (1005426048).

Almost surely, 2^4021513241 is an apocalyptic number.

It is an amenable number.

4021513241 is a deficient number, since it is larger than the sum of its proper divisors (190951).

4021513241 is a wasteful number, since it uses less digits than its factorization.

4021513241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190950.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4021513241 is about 63415.4022379422. The cubic root of 4021513241 is about 1590.2418103283.

Adding to 4021513241 its reverse (1423151204), we get a palindrome (5444664445).

The spelling of 4021513241 in words is "four billion, twenty-one million, five hundred thirteen thousand, two hundred forty-one".