2503133 has 4 divisors (see below), whose sum is σ = 2506368. Its totient is φ = 2499900.

The previous prime is 2503121. The next prime is 2503139. The reversal of 2503133 is 3313052.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2503133 - 2⁶ = 2503069 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 (2503139) 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, 308 + ... + 2258.

It is an arithmetic number, because the mean of its divisors is an integer number (626592).

2^2503133 is an apocalyptic number.

It is an amenable number.

2503133 is a deficient number, since it is larger than the sum of its proper divisors (3235).

2503133 is a wasteful number, since it uses less digits than its factorization.

2503133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 2503133 is about 1582.1292614701. The cubic root of 2503133 is about 135.7775522987. Note that the first 3 decimals are identical.

Adding to 2503133 its reverse (3313052), we get a palindrome (5816185).

The spelling of 2503133 in words is "two million, five hundred three thousand, one hundred thirty-three".