255131425 has 6 divisors (see below), whose sum is σ = 316362998. Its totient is φ = 204105120.

The previous prime is 255131417. The next prime is 255131467. The reversal of 255131425 is 524131552.

It can be written as a sum of positive squares in 3 ways, for example, as 3845521 + 251285904 = 1961^2 + 15852^2 .

It is not a de Polignac number, because 255131425 - 2³ = 255131417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255131393 and 255131402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5102604 + ... + 5102653.

Almost surely, 2^255131425 is an apocalyptic number.

255131425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255131425 is a deficient number, since it is larger than the sum of its proper divisors (61231573).

255131425 is a wasteful number, since it uses less digits than its factorization.

255131425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10205267 (or 10205262 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 255131425 is about 15972.8339689612. The cubic root of 255131425 is about 634.2414941456.

Adding to 255131425 its reverse (524131552), we get a palindrome (779262977).

The spelling of 255131425 in words is "two hundred fifty-five million, one hundred thirty-one thousand, four hundred twenty-five".