3525052321 has 4 divisors (see below), whose sum is σ = 4028631232. Its totient is φ = 3021473412.

The previous prime is 3525052319. The next prime is 3525052351. The reversal of 3525052321 is 1232505253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3525052321 - 2¹ = 3525052319 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 3525052321.

It is not an unprimeable number, because it can be changed into a prime (3525052301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251789445 + ... + 251789458.

It is an arithmetic number, because the mean of its divisors is an integer number (1007157808).

Almost surely, 2^3525052321 is an apocalyptic number.

It is an amenable number.

3525052321 is a deficient number, since it is larger than the sum of its proper divisors (503578911).

3525052321 is an equidigital number, since it uses as much as digits as its factorization.

3525052321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503578910.

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

The square root of 3525052321 is about 59372.1510558612. The cubic root of 3525052321 is about 1521.9084294293.

Adding to 3525052321 its reverse (1232505253), we get a palindrome (4757557574).

It can be divided in two parts, 35250 and 52321, that added together give a triangular number (87571 = T₄₁₈).

The spelling of 3525052321 in words is "three billion, five hundred twenty-five million, fifty-two thousand, three hundred twenty-one".