3506501 has 6 divisors (see below), whose sum is σ = 3556230. Its totient is φ = 3457448.

The previous prime is 3506483. The next prime is 3506519. The reversal of 3506501 is 1056053.

It is an interprime number because it is at equal distance from previous prime (3506483) and next prime (3506519).

It can be written as a sum of positive squares in only one way, i.e., 3334276 + 172225 = 1826^2 + 415^2 .

It is not a de Polignac number, because 3506501 - 2¹⁰ = 3505477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506101) 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, 6635 + ... + 7143.

It is an arithmetic number, because the mean of its divisors is an integer number (592705).

Almost surely, 2^3506501 is an apocalyptic number.

It is an amenable number.

3506501 is a deficient number, since it is larger than the sum of its proper divisors (49729).

3506501 is an frugal number, since it uses more digits than its factorization.

3506501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 3506501 is about 1872.5653526646. The cubic root of 3506501 is about 151.9233945704.

The spelling of 3506501 in words is "three million, five hundred six thousand, five hundred one".