254539133 has 4 divisors (see below), whose sum is σ = 255294780. Its totient is φ = 253783488.

The previous prime is 254539127. The next prime is 254539213. The reversal of 254539133 is 331935452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75568249 + 178970884 = 8693^2 + 13378^2 .

It is a cyclic number.

It is not a de Polignac number, because 254539133 - 2⁶ = 254539069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254539093 and 254539102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254539123) 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, 377318 + ... + 377991.

It is an arithmetic number, because the mean of its divisors is an integer number (63823695).

Almost surely, 2^254539133 is an apocalyptic number.

It is an amenable number.

254539133 is a deficient number, since it is larger than the sum of its proper divisors (755647).

254539133 is an equidigital number, since it uses as much as digits as its factorization.

254539133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755646.

The product of its digits is 48600, while the sum is 35.

The square root of 254539133 is about 15954.2825912042. The cubic root of 254539133 is about 633.7503130011.

The spelling of 254539133 in words is "two hundred fifty-four million, five hundred thirty-nine thousand, one hundred thirty-three".