2506435133 has 4 divisors (see below), whose sum is σ = 2538162240. Its totient is φ = 2474708028.

The previous prime is 2506435123. The next prime is 2506435159. The reversal of 2506435133 is 3315346052.

2506435133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2506435133 - 2⁸ = 2506434877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2506435133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506435123) 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, 15863435 + ... + 15863592.

It is an arithmetic number, because the mean of its divisors is an integer number (634540560).

Almost surely, 2^2506435133 is an apocalyptic number.

It is an amenable number.

2506435133 is a deficient number, since it is larger than the sum of its proper divisors (31727107).

2506435133 is an equidigital number, since it uses as much as digits as its factorization.

2506435133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31727106.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 2506435133 is about 50064.3099722747. The cubic root of 2506435133 is about 1358.3723197796.

The spelling of 2506435133 in words is "two billion, five hundred six million, four hundred thirty-five thousand, one hundred thirty-three".