254816625 has 32 divisors (see below), whose sum is σ = 484593408. Its totient is φ = 116486400.

The previous prime is 254816567. The next prime is 254816629. The reversal of 254816625 is 526618452.

It is a de Polignac number, because none of the positive numbers 2^k-254816625 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (254816629) 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 in 31 ways as a sum of consecutive naturals, for example, 45912 + ... + 51161.

It is an arithmetic number, because the mean of its divisors is an integer number (15143544).

Almost surely, 2^254816625 is an apocalyptic number.

254816625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

254816625 is a deficient number, since it is larger than the sum of its proper divisors (229776783).

254816625 is an equidigital number, since it uses as much as digits as its factorization.

254816625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97098 (or 97088 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 254816625 is about 15962.9766960927. The cubic root of 254816625 is about 633.9805287800.

The spelling of 254816625 in words is "two hundred fifty-four million, eight hundred sixteen thousand, six hundred twenty-five".