255780325 has 12 divisors (see below), whose sum is σ = 317407140. Its totient is φ = 204469760.

The previous prime is 255780323. The next prime is 255780341. The reversal of 255780325 is 523087552.

It can be written as a sum of positive squares in 6 ways, for example, as 41977441 + 213802884 = 6479^2 + 14622^2 .

It is not a de Polignac number, because 255780325 - 2¹ = 255780323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255780323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39411 + ... + 45439.

It is an arithmetic number, because the mean of its divisors is an integer number (26450595).

Almost surely, 2^255780325 is an apocalyptic number.

255780325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255780325 is a deficient number, since it is larger than the sum of its proper divisors (61626815).

255780325 is a wasteful number, since it uses less digits than its factorization.

255780325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7736 (or 7731 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 255780325 is about 15993.1336829278. The cubic root of 255780325 is about 634.7787478093.

The spelling of 255780325 in words is "two hundred fifty-five million, seven hundred eighty thousand, three hundred twenty-five".