254685133 has 2 divisors, whose sum is σ = 254685134. Its totient is φ = 254685132.

The previous prime is 254685131. The next prime is 254685203. The reversal of 254685133 is 331586452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147914244 + 106770889 = 12162^2 + 10333^2 .

It is a cyclic number.

It is not a de Polignac number, because 254685133 - 2¹ = 254685131 is a prime.

Together with 254685131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 254685092 and 254685101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254685131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127342566 + 127342567.

It is an arithmetic number, because the mean of its divisors is an integer number (127342567).

Almost surely, 2^254685133 is an apocalyptic number.

It is an amenable number.

254685133 is a deficient number, since it is larger than the sum of its proper divisors (1).

254685133 is an equidigital number, since it uses as much as digits as its factorization.

254685133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The square root of 254685133 is about 15958.8575092329. The cubic root of 254685133 is about 633.8714598747.

The spelling of 254685133 in words is "two hundred fifty-four million, six hundred eighty-five thousand, one hundred thirty-three".