254540105 has 16 divisors (see below), whose sum is σ = 317148480. Its totient is φ = 195883968.

The previous prime is 254540059. The next prime is 254540107. The reversal of 254540105 is 501045452.

It is a cyclic number.

It is not a de Polignac number, because 254540105 - 2¹⁰ = 254539081 is a prime.

It is a super-2 number, since 2×254540105² = 129581330106822050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (254540107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37934 + ... + 44136.

It is an arithmetic number, because the mean of its divisors is an integer number (19821780).

Almost surely, 2^254540105 is an apocalyptic number.

It is an amenable number.

254540105 is a deficient number, since it is larger than the sum of its proper divisors (62608375).

254540105 is a wasteful number, since it uses less digits than its factorization.

254540105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6520.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 254540105 is about 15954.3130532154. The cubic root of 254540105 is about 633.7511196937.

Adding to 254540105 its reverse (501045452), we get a palindrome (755585557).

The spelling of 254540105 in words is "two hundred fifty-four million, five hundred forty thousand, one hundred five".