3552032521 has 4 divisors (see below), whose sum is σ = 3561164100. Its totient is φ = 3542900944.

The previous prime is 3552032489. The next prime is 3552032569. The reversal of 3552032521 is 1252302553.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2459068921 + 1092963600 = 49589^2 + 33060^2 .

It is a cyclic number.

It is not a de Polignac number, because 3552032521 - 2⁵ = 3552032489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3552032521.

It is not an unprimeable number, because it can be changed into a prime (3552032591) 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, 4565206 + ... + 4565983.

It is an arithmetic number, because the mean of its divisors is an integer number (890291025).

Almost surely, 2^3552032521 is an apocalyptic number.

It is an amenable number.

3552032521 is a deficient number, since it is larger than the sum of its proper divisors (9131579).

3552032521 is an equidigital number, since it uses as much as digits as its factorization.

3552032521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9131578.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 3552032521 is about 59598.9305357068. The cubic root of 3552032521 is about 1525.7813816678.

It can be divided in two parts, 3552032 and 521, that added together give a palindrome (3552553).

The spelling of 3552032521 in words is "three billion, five hundred fifty-two million, thirty-two thousand, five hundred twenty-one".