255131622737 has 2 divisors, whose sum is σ = 255131622738. Its totient is φ = 255131622736.

The previous prime is 255131622671. The next prime is 255131622743. The reversal of 255131622737 is 737226131552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249256553536 + 5875069201 = 499256^2 + 76649^2 .

It is a cyclic number.

It is not a de Polignac number, because 255131622737 - 2³² = 250836655441 is a prime.

It is not a weakly prime, because it can be changed into another prime (255131622797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127565811368 + 127565811369.

It is an arithmetic number, because the mean of its divisors is an integer number (127565811369).

Almost surely, 2^255131622737 is an apocalyptic number.

It is an amenable number.

255131622737 is a deficient number, since it is larger than the sum of its proper divisors (1).

255131622737 is an equidigital number, since it uses as much as digits as its factorization.

255131622737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 44.

The spelling of 255131622737 in words is "two hundred fifty-five billion, one hundred thirty-one million, six hundred twenty-two thousand, seven hundred thirty-seven".