3520501 has 4 divisors (see below), whose sum is σ = 3536512. Its totient is φ = 3504492.

The previous prime is 3520499. The next prime is 3520507. The reversal of 3520501 is 1050253.

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.

It is a cyclic number.

It is not a de Polignac number, because 3520501 - 2¹ = 3520499 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 (3520507) 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, 7671 + ... + 8116.

It is an arithmetic number, because the mean of its divisors is an integer number (884128).

Almost surely, 2^3520501 is an apocalyptic number.

It is an amenable number.

3520501 is a deficient number, since it is larger than the sum of its proper divisors (16011).

3520501 is a wasteful number, since it uses less digits than its factorization.

3520501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16010.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 3520501 is about 1876.2998161275. The cubic root of 3520501 is about 152.1253150547.

Adding to 3520501 its reverse (1050253), we get a palindrome (4570754).

The spelling of 3520501 in words is "three million, five hundred twenty thousand, five hundred one".