3537505 has 4 divisors (see below), whose sum is σ = 4245012. Its totient is φ = 2830000.

The previous prime is 3537491. The next prime is 3537517. The reversal of 3537505 is 5057353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5057353 = 7 ⋅722479.

It can be written as a sum of positive squares in 2 ways, for example, as 938961 + 2598544 = 969^2 + 1612^2 .

It is not a de Polignac number, because 3537505 - 2¹⁷ = 3406433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 353746 + ... + 353755.

It is an arithmetic number, because the mean of its divisors is an integer number (1061253).

Almost surely, 2^3537505 is an apocalyptic number.

It is an amenable number.

3537505 is a deficient number, since it is larger than the sum of its proper divisors (707507).

3537505 is an equidigital number, since it uses as much as digits as its factorization.

3537505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707506.

The product of its (nonzero) digits is 7875, while the sum is 28.

The square root of 3537505 is about 1880.8256165844. The cubic root of 3537505 is about 152.3698432579.

The spelling of 3537505 in words is "three million, five hundred thirty-seven thousand, five hundred five".