255698441 has 2 divisors, whose sum is σ = 255698442. Its totient is φ = 255698440.

The previous prime is 255698437. The next prime is 255698459. The reversal of 255698441 is 144896552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254881225 + 817216 = 15965^2 + 904^2 .

It is a cyclic number.

It is not a de Polignac number, because 255698441 - 2² = 255698437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255698392 and 255698401.

It is not a weakly prime, because it can be changed into another prime (255698491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127849220 + 127849221.

It is an arithmetic number, because the mean of its divisors is an integer number (127849221).

Almost surely, 2^255698441 is an apocalyptic number.

It is an amenable number.

255698441 is a deficient number, since it is larger than the sum of its proper divisors (1).

255698441 is an equidigital number, since it uses as much as digits as its factorization.

255698441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 44.

The square root of 255698441 is about 15990.5735044119. The cubic root of 255698441 is about 634.7110024753.

The spelling of 255698441 in words is "two hundred fifty-five million, six hundred ninety-eight thousand, four hundred forty-one".