255616741 has 2 divisors, whose sum is σ = 255616742. Its totient is φ = 255616740.

The previous prime is 255616729. The next prime is 255616783. The reversal of 255616741 is 147616552.

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., 160554241 + 95062500 = 12671^2 + 9750^2 .

It is a cyclic number.

It is not a de Polignac number, because 255616741 - 2¹¹ = 255614693 is a prime.

It is a super-2 number, since 2×255616741² = 130679836558922162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 255616741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258616741) 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, 127808370 + 127808371.

It is an arithmetic number, because the mean of its divisors is an integer number (127808371).

Almost surely, 2^255616741 is an apocalyptic number.

It is an amenable number.

255616741 is a deficient number, since it is larger than the sum of its proper divisors (1).

255616741 is an equidigital number, since it uses as much as digits as its factorization.

255616741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 37.

The square root of 255616741 is about 15988.0186702418. The cubic root of 255616741 is about 634.6433949548.

The spelling of 255616741 in words is "two hundred fifty-five million, six hundred sixteen thousand, seven hundred forty-one".