2533123253 has 4 divisors (see below), whose sum is σ = 2533248480. Its totient is φ = 2532998028.

The previous prime is 2533123247. The next prime is 2533123259. The reversal of 2533123253 is 3523213352.

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 an interprime number because it is at equal distance from previous prime (2533123247) and next prime (2533123259).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2533123253 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 (2533123259) 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, 24563 + ... + 75296.

It is an arithmetic number, because the mean of its divisors is an integer number (633312120).

Almost surely, 2^2533123253 is an apocalyptic number.

It is an amenable number.

2533123253 is a deficient number, since it is larger than the sum of its proper divisors (125227).

2533123253 is an equidigital number, since it uses as much as digits as its factorization.

2533123253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125226.

The product of its digits is 16200, while the sum is 29.

The square root of 2533123253 is about 50330.1425887112. The cubic root of 2533123253 is about 1363.1765520072.

Subtracting 2533123253 from its reverse (3523213352), we obtain a palindrome (990090099).

It can be divided in two parts, 25331 and 23253, that added together give a palindrome (48584).

The spelling of 2533123253 in words is "two billion, five hundred thirty-three million, one hundred twenty-three thousand, two hundred fifty-three".