3602521 has 8 divisors (see below), whose sum is σ = 4108104. Its totient is φ = 3129600.

The previous prime is 3602491. The next prime is 3602527. The reversal of 3602521 is 1252063.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 929296 + 2673225 = 964^2 + 1635^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3602521 - 2⁷ = 3602393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3602527) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7930 + ... + 8371.

It is an arithmetic number, because the mean of its divisors is an integer number (513513).

Almost surely, 2^3602521 is an apocalyptic number.

It is an amenable number.

3602521 is a deficient number, since it is larger than the sum of its proper divisors (505583).

3602521 is a wasteful number, since it uses less digits than its factorization.

3602521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16331.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 3602521 is about 1898.0308216676. The cubic root of 3602521 is about 153.2976534288.

Adding to 3602521 its reverse (1252063), we get a palindrome (4854584).

It can be divided in two parts, 36025 and 21, that added together give a triangular number (36046 = T₂₆₈).

The spelling of 3602521 in words is "three million, six hundred two thousand, five hundred twenty-one".