255305383 has 2 divisors, whose sum is σ = 255305384. Its totient is φ = 255305382.

The previous prime is 255305333. The next prime is 255305389. The reversal of 255305383 is 383503552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255305383 - 2¹³ = 255297191 is a prime.

It is equal to p_13953517 and since 255305383 and 13953517 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255305389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127652691 + 127652692.

It is an arithmetic number, because the mean of its divisors is an integer number (127652692).

Almost surely, 2^255305383 is an apocalyptic number.

255305383 is a deficient number, since it is larger than the sum of its proper divisors (1).

255305383 is an equidigital number, since it uses as much as digits as its factorization.

255305383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 255305383 is about 15978.2784742287. The cubic root of 255305383 is about 634.3856111307.

The spelling of 255305383 in words is "two hundred fifty-five million, three hundred five thousand, three hundred eighty-three".