255452401 has 2 divisors, whose sum is σ = 255452402. Its totient is φ = 255452400.

The previous prime is 255452399. The next prime is 255452411. The reversal of 255452401 is 104254552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247244176 + 8208225 = 15724^2 + 2865^2 .

It is a cyclic number.

It is not a de Polignac number, because 255452401 - 2¹ = 255452399 is a prime.

Together with 255452399, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 255452401.

It is not a weakly prime, because it can be changed into another prime (255452411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127726200 + 127726201.

It is an arithmetic number, because the mean of its divisors is an integer number (127726201).

Almost surely, 2^255452401 is an apocalyptic number.

It is an amenable number.

255452401 is a deficient number, since it is larger than the sum of its proper divisors (1).

255452401 is an equidigital number, since it uses as much as digits as its factorization.

255452401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 255452401 is about 15982.8783703061. The cubic root of 255452401 is about 634.5073584096.

The spelling of 255452401 in words is "two hundred fifty-five million, four hundred fifty-two thousand, four hundred one".