3442505521 has 16 divisors (see below), whose sum is σ = 4239848704. Its totient is φ = 2721864384.

The previous prime is 3442505483. The next prime is 3442505527. The reversal of 3442505521 is 1255052443.

3442505521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3442505521 - 2⁷ = 3442505393 is a prime.

It is a super-5 number, since 5×3442505521⁵ (a number of 49 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (3442505527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128155 + ... + 152671.

It is an arithmetic number, because the mean of its divisors is an integer number (264990544).

Almost surely, 2^3442505521 is an apocalyptic number.

It is an amenable number.

3442505521 is a deficient number, since it is larger than the sum of its proper divisors (797343183).

3442505521 is a wasteful number, since it uses less digits than its factorization.

3442505521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26080.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 3442505521 is about 58672.8686958461. The cubic root of 3442505521 is about 1509.9348715386.

Adding to 3442505521 its reverse (1255052443), we get a palindrome (4697557964).

The spelling of 3442505521 in words is "three billion, four hundred forty-two million, five hundred five thousand, five hundred twenty-one".