255458633 has 2 divisors, whose sum is σ = 255458634. Its totient is φ = 255458632.

The previous prime is 255458617. The next prime is 255458647. The reversal of 255458633 is 336854552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244515769 + 10942864 = 15637^2 + 3308^2 .

It is a cyclic number.

It is not a de Polignac number, because 255458633 - 2⁴ = 255458617 is a prime.

It is a super-2 number, since 2×255458633² = 130518226348457378, which contains 22 as substring.

It is a Chen prime.

It is equal to p_13961498 and since 255458633 and 13961498 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 (255458603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127729316 + 127729317.

It is an arithmetic number, because the mean of its divisors is an integer number (127729317).

Almost surely, 2^255458633 is an apocalyptic number.

It is an amenable number.

255458633 is a deficient number, since it is larger than the sum of its proper divisors (1).

255458633 is an equidigital number, since it uses as much as digits as its factorization.

255458633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 41.

The square root of 255458633 is about 15983.0733277427. The cubic root of 255458633 is about 634.5125181676.

The spelling of 255458633 in words is "two hundred fifty-five million, four hundred fifty-eight thousand, six hundred thirty-three".