255100801 has 2 divisors, whose sum is σ = 255100802. Its totient is φ = 255100800.

The previous prime is 255100771. The next prime is 255100817. The reversal of 255100801 is 108001552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206784400 + 48316401 = 14380^2 + 6951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255100801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255100831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127550400 + 127550401.

It is an arithmetic number, because the mean of its divisors is an integer number (127550401).

Almost surely, 2^255100801 is an apocalyptic number.

It is an amenable number.

255100801 is a deficient number, since it is larger than the sum of its proper divisors (1).

255100801 is an equidigital number, since it uses as much as digits as its factorization.

255100801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 255100801 is about 15971.8753125611. The cubic root of 255100801 is about 634.2161166515.

The spelling of 255100801 in words is "two hundred fifty-five million, one hundred thousand, eight hundred one".