254840625 has 144 divisors (see below), whose sum is σ = 537434352. Its totient is φ = 115200000.

The previous prime is 254840569. The next prime is 254840629. The reversal of 254840625 is 526048452.

It is a happy number.

254840625 is a `hidden beast` number, since 25 + 4 + 8 + 4 + 0 + 625 = 666.

254840625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 24 ways, for example, as 152992161 + 101848464 = 12369^2 + 10092^2 .

It is not a de Polignac number, because 254840625 - 2⁶ = 254840561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254840625.

It is not an unprimeable number, because it can be changed into a prime (254840629) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6215605 + ... + 6215645.

It is an arithmetic number, because the mean of its divisors is an integer number (3732183).

Almost surely, 2^254840625 is an apocalyptic number.

254840625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

254840625 is an abundant number, since it is smaller than the sum of its proper divisors (282593727).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254840625 is a wasteful number, since it uses less digits than its factorization.

254840625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 254840625 is about 15963.7284178853. The cubic root of 254840625 is about 634.0004320536. Note that the first 3 decimals are identical.

The spelling of 254840625 in words is "two hundred fifty-four million, eight hundred forty thousand, six hundred twenty-five".