2503135 has 16 divisors (see below), whose sum is σ = 3169440. Its totient is φ = 1895040.

The previous prime is 2503121. The next prime is 2503139. The reversal of 2503135 is 5313052.

It is not a de Polignac number, because 2503135 - 2⁵ = 2503103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503139) 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, 8704 + ... + 8986.

It is an arithmetic number, because the mean of its divisors is an integer number (198090).

2^2503135 is an apocalyptic number.

2503135 is a deficient number, since it is larger than the sum of its proper divisors (666305).

2503135 is a wasteful number, since it uses less digits than its factorization.

2503135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 2503135 is about 1582.1298935296. The cubic root of 2503135 is about 135.7775884607. Note that the first 3 decimals are identical.

Adding to 2503135 its reverse (5313052), we get a palindrome (7816187).

The spelling of 2503135 in words is "two million, five hundred three thousand, one hundred thirty-five".