255617941 has 8 divisors (see below), whose sum is σ = 263866680. Its totient is φ = 247439808.

The previous prime is 255617939. The next prime is 255617951. The reversal of 255617941 is 149716552.

It can be written as a sum of positive squares in 4 ways, for example, as 234733041 + 20884900 = 15321^2 + 4570^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255617941 - 2¹ = 255617939 is a prime.

It is a super-2 number, since 2×255617941² = 130681063522158962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255617894 and 255617903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255617951) 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 in 7 ways as a sum of consecutive naturals, for example, 10246 + ... + 24823.

It is an arithmetic number, because the mean of its divisors is an integer number (32983335).

Almost surely, 2^255617941 is an apocalyptic number.

It is an amenable number.

255617941 is a deficient number, since it is larger than the sum of its proper divisors (8248739).

255617941 is a wasteful number, since it uses less digits than its factorization.

255617941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35303.

The product of its digits is 75600, while the sum is 40.

The square root of 255617941 is about 15988.0561983000. The cubic root of 255617941 is about 634.6443880703.

The spelling of 255617941 in words is "two hundred fifty-five million, six hundred seventeen thousand, nine hundred forty-one".