255130549 has 2 divisors, whose sum is σ = 255130550. Its totient is φ = 255130548.

The previous prime is 255130531. The next prime is 255130571. The reversal of 255130549 is 945031552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184688100 + 70442449 = 13590^2 + 8393^2 .

It is a cyclic number.

It is not a de Polignac number, because 255130549 - 2²¹ = 253033397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255130529) 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 as a sum of consecutive naturals, namely, 127565274 + 127565275.

It is an arithmetic number, because the mean of its divisors is an integer number (127565275).

Almost surely, 2^255130549 is an apocalyptic number.

It is an amenable number.

255130549 is a deficient number, since it is larger than the sum of its proper divisors (1).

255130549 is an equidigital number, since it uses as much as digits as its factorization.

255130549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 255130549 is about 15972.8065473792. The cubic root of 255130549 is about 634.2407682502.

The spelling of 255130549 in words is "two hundred fifty-five million, one hundred thirty thousand, five hundred forty-nine".