255143025 has 72 divisors (see below), whose sum is σ = 487468800. Its totient is φ = 127269120.

The previous prime is 255143023. The next prime is 255143027. The reversal of 255143025 is 520341552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (255143023) and next prime (255143027).

It is not a de Polignac number, because 255143025 - 2¹ = 255143023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255143025.

It is not an unprimeable number, because it can be changed into a prime (255143023) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 242701 + ... + 243749.

It is an arithmetic number, because the mean of its divisors is an integer number (6770400).

Almost surely, 2^255143025 is an apocalyptic number.

255143025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255143025 is a deficient number, since it is larger than the sum of its proper divisors (232325775).

255143025 is a wasteful number, since it uses less digits than its factorization.

255143025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 255143025 is about 15973.1970813610. The cubic root of 255143025 is about 634.2511063025.

Adding to 255143025 its reverse (520341552), we get a palindrome (775484577).

The spelling of 255143025 in words is "two hundred fifty-five million, one hundred forty-three thousand, twenty-five".