255574433 has 2 divisors, whose sum is σ = 255574434. Its totient is φ = 255574432.

The previous prime is 255574399. The next prime is 255574439. The reversal of 255574433 is 334475552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234487969 + 21086464 = 15313^2 + 4592^2 .

It is a cyclic number.

It is not a de Polignac number, because 255574433 - 2¹⁴ = 255558049 is a prime.

It is equal to p_13967480 and since 255574433 and 13967480 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (255574439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127787216 + 127787217.

It is an arithmetic number, because the mean of its divisors is an integer number (127787217).

Almost surely, 2^255574433 is an apocalyptic number.

It is an amenable number.

255574433 is a deficient number, since it is larger than the sum of its proper divisors (1).

255574433 is an equidigital number, since it uses as much as digits as its factorization.

255574433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 38.

The square root of 255574433 is about 15986.6954996960. The cubic root of 255574433 is about 634.6083790241.

The spelling of 255574433 in words is "two hundred fifty-five million, five hundred seventy-four thousand, four hundred thirty-three".