4325542406521 has 8 divisors (see below), whose sum is σ = 5203660038080. Its totient is φ = 3512470525488.

The previous prime is 4325542406461. The next prime is 4325542406539. The reversal of 4325542406521 is 1256042455234.

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

It is a cyclic number.

It is not a de Polignac number, because 4325542406521 - 2¹⁵ = 4325542373753 is a prime.

It is a super-2 number, since 2×4325542406521² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4325542403521) 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, 16261437486 + ... + 16261437751.

It is an arithmetic number, because the mean of its divisors is an integer number (650457504760).

Almost surely, 2^{4325542406521} is an apocalyptic number.

It is an amenable number.

4325542406521 is a deficient number, since it is larger than the sum of its proper divisors (878117631559).

4325542406521 is a wasteful number, since it uses less digits than its factorization.

4325542406521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32522875263.

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 4325542406521 in words is "four trillion, three hundred twenty-five billion, five hundred forty-two million, four hundred six thousand, five hundred twenty-one".