2505210133 has 4 divisors (see below), whose sum is σ = 2505711168. Its totient is φ = 2504709100.

The previous prime is 2505210091. The next prime is 2505210137. The reversal of 2505210133 is 3310125052.

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 2505210133 - 2⁹ = 2505209621 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 (2505210137) 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, 242941 + ... + 253042.

It is an arithmetic number, because the mean of its divisors is an integer number (626427792).

Almost surely, 2^2505210133 is an apocalyptic number.

It is an amenable number.

2505210133 is a deficient number, since it is larger than the sum of its proper divisors (501035).

2505210133 is an equidigital number, since it uses as much as digits as its factorization.

2505210133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501034.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2505210133 is about 50052.0742127637. The cubic root of 2505210133 is about 1358.1509858709.

Adding to 2505210133 its reverse (3310125052), we get a palindrome (5815335185).

The spelling of 2505210133 in words is "two billion, five hundred five million, two hundred ten thousand, one hundred thirty-three".