3543240521 has 8 divisors (see below), whose sum is σ = 3778659360. Its totient is φ = 3310820928.

The previous prime is 3543240497. The next prime is 3543240523. The reversal of 3543240521 is 1250423453.

It is a happy number.

3543240521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3543240521 - 2¹⁸ = 3542978377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3543240523) 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, 747371 + ... + 752096.

It is an arithmetic number, because the mean of its divisors is an integer number (472332420).

Almost surely, 2^3543240521 is an apocalyptic number.

It is an amenable number.

3543240521 is a deficient number, since it is larger than the sum of its proper divisors (235418839).

3543240521 is a wasteful number, since it uses less digits than its factorization.

3543240521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499623.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 3543240521 is about 59525.1251237660. The cubic root of 3543240521 is about 1524.5214689200.

Adding to 3543240521 its reverse (1250423453), we get a palindrome (4793663974).

The spelling of 3543240521 in words is "three billion, five hundred forty-three million, two hundred forty thousand, five hundred twenty-one".