254545066 has 4 divisors (see below), whose sum is σ = 381817602. Its totient is φ = 127272532.

The previous prime is 254545037. The next prime is 254545069. The reversal of 254545066 is 660545452.

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

It can be written as a sum of positive squares in only one way, i.e., 243516025 + 11029041 = 15605^2 + 3321^2 .

It is not an unprimeable number, because it can be changed into a prime (254545069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63636265 + ... + 63636268.

Almost surely, 2^254545066 is an apocalyptic number.

254545066 is a deficient number, since it is larger than the sum of its proper divisors (127272536).

254545066 is a wasteful number, since it uses less digits than its factorization.

254545066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127272535.

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 254545066 is about 15954.4685276571. The cubic root of 254545066 is about 633.7552369479.

The spelling of 254545066 in words is "two hundred fifty-four million, five hundred forty-five thousand, sixty-six".