3530545 has 4 divisors (see below), whose sum is σ = 4236660. Its totient is φ = 2824432.

The previous prime is 3530539. The next prime is 3530563. The reversal of 3530545 is 5450353.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5450353 = 17 ⋅320609.

It can be written as a sum of positive squares in 2 ways, for example, as 461041 + 3069504 = 679^2 + 1752^2 .

It is a cyclic number.

It is not a de Polignac number, because 3530545 - 2³ = 3530537 is a prime.

3530545 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353050 + ... + 353059.

It is an arithmetic number, because the mean of its divisors is an integer number (1059165).

Almost surely, 2^3530545 is an apocalyptic number.

It is an amenable number.

3530545 is a deficient number, since it is larger than the sum of its proper divisors (706115).

3530545 is an equidigital number, since it uses as much as digits as its factorization.

3530545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706114.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 3530545 is about 1878.9744543234. The cubic root of 3530545 is about 152.2698490177.

Adding to 3530545 its reverse (5450353), we get a palindrome (8980898).

The spelling of 3530545 in words is "three million, five hundred thirty thousand, five hundred forty-five".