3520325445 has 32 divisors (see below), whose sum is σ = 6932335872. Its totient is φ = 1485499392.

The previous prime is 3520325441. The next prime is 3520325449. The reversal of 3520325445 is 5445230253.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3520325441) and next prime (3520325449).

It is not a de Polignac number, because 3520325445 - 2² = 3520325441 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520325441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1288132 + ... + 1290861.

It is an arithmetic number, because the mean of its divisors is an integer number (216635496).

Almost surely, 2^3520325445 is an apocalyptic number.

3520325445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3520325445 is a deficient number, since it is larger than the sum of its proper divisors (3412010427).

3520325445 is a wasteful number, since it uses less digits than its factorization.

3520325445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579021.

The product of its (nonzero) digits is 72000, while the sum is 33.

The square root of 3520325445 is about 59332.3305205518. The cubic root of 3520325445 is about 1521.2278636122.

Adding to 3520325445 its reverse (5445230253), we get a palindrome (8965555698).

The spelling of 3520325445 in words is "three billion, five hundred twenty million, three hundred twenty-five thousand, four hundred forty-five".