255530755373 has 2 divisors, whose sum is σ = 255530755374. Its totient is φ = 255530755372.

The previous prime is 255530755267. The next prime is 255530755399. The reversal of 255530755373 is 373557035552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254098662724 + 1432092649 = 504082^2 + 37843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255530755373 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255530755973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127765377686 + 127765377687.

It is an arithmetic number, because the mean of its divisors is an integer number (127765377687).

Almost surely, 2^255530755373 is an apocalyptic number.

It is an amenable number.

255530755373 is a deficient number, since it is larger than the sum of its proper divisors (1).

255530755373 is an equidigital number, since it uses as much as digits as its factorization.

255530755373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8268750, while the sum is 50.

The spelling of 255530755373 in words is "two hundred fifty-five billion, five hundred thirty million, seven hundred fifty-five thousand, three hundred seventy-three".