3505537 has 4 divisors (see below), whose sum is σ = 4006336. Its totient is φ = 3004740.

The previous prime is 3505531. The next prime is 3505543. The reversal of 3505537 is 7355053.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7355053 = 251 ⋅29303.

It is an interprime number because it is at equal distance from previous prime (3505531) and next prime (3505543).

It is a cyclic number.

It is not a de Polignac number, because 3505537 - 2³ = 3505529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3505531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250389 + ... + 250402.

It is an arithmetic number, because the mean of its divisors is an integer number (1001584).

Almost surely, 2^3505537 is an apocalyptic number.

It is an amenable number.

3505537 is a deficient number, since it is larger than the sum of its proper divisors (500799).

3505537 is an equidigital number, since it uses as much as digits as its factorization.

3505537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500798.

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

The square root of 3505537 is about 1872.3079340749. The cubic root of 3505537 is about 151.9094711393.

The spelling of 3505537 in words is "three million, five hundred five thousand, five hundred thirty-seven".