254880865 has 8 divisors (see below), whose sum is σ = 307806120. Its totient is φ = 202605312.

The previous prime is 254880817. The next prime is 254880883. The reversal of 254880865 is 568088452.

It can be written as a sum of positive squares in 4 ways, for example, as 8767521 + 246113344 = 2961^2 + 15688^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254880865 - 2¹¹ = 254878817 is a prime.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 161560 + ... + 163129.

It is an arithmetic number, because the mean of its divisors is an integer number (38475765).

Almost surely, 2^254880865 is an apocalyptic number.

It is an amenable number.

254880865 is a deficient number, since it is larger than the sum of its proper divisors (52925255).

254880865 is a wasteful number, since it uses less digits than its factorization.

254880865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324851.

The product of its (nonzero) digits is 614400, while the sum is 46.

The square root of 254880865 is about 15964.9887253327. The cubic root of 254880865 is about 634.0338004052.

The spelling of 254880865 in words is "two hundred fifty-four million, eight hundred eighty thousand, eight hundred sixty-five".