254155133 has 2 divisors, whose sum is σ = 254155134. Its totient is φ = 254155132.

The previous prime is 254155093. The next prime is 254155141. The reversal of 254155133 is 331551452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239692324 + 14462809 = 15482^2 + 3803^2 .

It is a cyclic number.

It is not a de Polignac number, because 254155133 - 2⁸ = 254154877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254155096 and 254155105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254155163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127077566 + 127077567.

It is an arithmetic number, because the mean of its divisors is an integer number (127077567).

Almost surely, 2^254155133 is an apocalyptic number.

It is an amenable number.

254155133 is a deficient number, since it is larger than the sum of its proper divisors (1).

254155133 is an equidigital number, since it uses as much as digits as its factorization.

254155133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 29.

The square root of 254155133 is about 15942.2436626718. The cubic root of 254155133 is about 633.4314588189.

The spelling of 254155133 in words is "two hundred fifty-four million, one hundred fifty-five thousand, one hundred thirty-three".