4325105242521 has 18 divisors (see below), whose sum is σ = 7267353707562. Its totient is φ = 2471488709760.

The previous prime is 4325105242519. The next prime is 4325105242541. The reversal of 4325105242521 is 1252425015234.

4325105242521 is a `hidden beast` number, since 4 + 3 + 2 + 5 + 105 + 24 + 2 + 521 = 666.

4325105242521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2652790730121 + 1672314512400 = 1628739^2 + 1293180^2 .

It is not a de Polignac number, because 4325105242521 - 2¹ = 4325105242519 is a prime.

It is a super-3 number, since 3×4325105242521³ (a number of 39 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4325105242501) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4903747000 + ... + 4903747881.

Almost surely, 2^{4325105242521} is an apocalyptic number.

It is an amenable number.

4325105242521 is a deficient number, since it is larger than the sum of its proper divisors (2942248465041).

4325105242521 is a wasteful number, since it uses less digits than its factorization.

4325105242521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9807494901 (or 9807494891 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 4325105242521 in words is "four trillion, three hundred twenty-five billion, one hundred five million, two hundred forty-two thousand, five hundred twenty-one".