255252541 has 2 divisors, whose sum is σ = 255252542. Its totient is φ = 255252540.

The previous prime is 255252539. The next prime is 255252563. The reversal of 255252541 is 145252552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180499225 + 74753316 = 13435^2 + 8646^2 .

It is a cyclic number.

It is not a de Polignac number, because 255252541 - 2¹ = 255252539 is a prime.

Together with 255252539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255252581) 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, 127626270 + 127626271.

It is an arithmetic number, because the mean of its divisors is an integer number (127626271).

Almost surely, 2^255252541 is an apocalyptic number.

It is an amenable number.

255252541 is a deficient number, since it is larger than the sum of its proper divisors (1).

255252541 is an equidigital number, since it uses as much as digits as its factorization.

255252541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20000, while the sum is 31.

The square root of 255252541 is about 15976.6248312965. The cubic root of 255252541 is about 634.3418406507.

The spelling of 255252541 in words is "two hundred fifty-five million, two hundred fifty-two thousand, five hundred forty-one".