3522425321 has 6 divisors (see below), whose sum is σ = 3682233450. Its totient is φ = 3369275888.

The previous prime is 3522425287. The next prime is 3522425329. The reversal of 3522425321 is 1235242253.

It can be written as a sum of positive squares in only one way, i.e., 3372705625 + 149719696 = 58075^2 + 12236^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3522425321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3522425329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3328796 + ... + 3329853.

It is an arithmetic number, because the mean of its divisors is an integer number (613705575).

Almost surely, 2^3522425321 is an apocalyptic number.

It is an amenable number.

3522425321 is a deficient number, since it is larger than the sum of its proper divisors (159808129).

3522425321 is an equidigital number, since it uses as much as digits as its factorization.

3522425321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6658695 (or 6658672 counting only the distinct ones).

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

The square root of 3522425321 is about 59350.0237657914. The cubic root of 3522425321 is about 1521.5302745673.

Adding to 3522425321 its reverse (1235242253), we get a palindrome (4757667574).

The spelling of 3522425321 in words is "three billion, five hundred twenty-two million, four hundred twenty-five thousand, three hundred twenty-one".