2503535 has 16 divisors (see below), whose sum is σ = 3214560. Its totient is φ = 1871424.

The previous prime is 2503513. The next prime is 2503537. The reversal of 2503535 is 5353052.

It is a happy number.

It is not a de Polignac number, because 2503535 - 2¹² = 2499439 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 5² + 0 + 3³ + 5⁶ + 3⁴ + 5⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 2503535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503537) 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 15 ways as a sum of consecutive naturals, for example, 34259 + ... + 34331.

It is an arithmetic number, because the mean of its divisors is an integer number (200910).

2^2503535 is an apocalyptic number.

2503535 is a deficient number, since it is larger than the sum of its proper divisors (711025).

2503535 is an frugal number, since it uses more digits than its factorization.

2503535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 2503535 is about 1582.2563003509. The cubic root of 2503535 is about 135.7848204775.

Adding to 2503535 its reverse (5353052), we get a palindrome (7856587).

The spelling of 2503535 in words is "two million, five hundred three thousand, five hundred thirty-five".