255340425 has 48 divisors (see below), whose sum is σ = 456613632. Its totient is φ = 125414400.

The previous prime is 255340381. The next prime is 255340433. The reversal of 255340425 is 524043552.

It is not a de Polignac number, because 255340425 - 2⁶ = 255340361 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 255340392 and 255340401.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57795 + ... + 62055.

It is an arithmetic number, because the mean of its divisors is an integer number (9512784).

Almost surely, 2^255340425 is an apocalyptic number.

255340425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255340425 is a deficient number, since it is larger than the sum of its proper divisors (201273207).

255340425 is a wasteful number, since it uses less digits than its factorization.

255340425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4338 (or 4333 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 255340425 is about 15979.3749877772. The cubic root of 255340425 is about 634.4146340513.

Adding to 255340425 its reverse (524043552), we get a palindrome (779383977).

The spelling of 255340425 in words is "two hundred fifty-five million, three hundred forty thousand, four hundred twenty-five".