255757641 has 16 divisors (see below), whose sum is σ = 353324160. Its totient is φ = 164366720.

The previous prime is 255757603. The next prime is 255757717. The reversal of 255757641 is 146757552.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 255757641 - 2⁶ = 255757577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255757593 and 255757602.

It is not an unprimeable number, because it can be changed into a prime (255757141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64276 + ... + 68138.

It is an arithmetic number, because the mean of its divisors is an integer number (22082760).

Almost surely, 2^255757641 is an apocalyptic number.

It is an amenable number.

255757641 is a deficient number, since it is larger than the sum of its proper divisors (97566519).

255757641 is a wasteful number, since it uses less digits than its factorization.

255757641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656.

The product of its digits is 294000, while the sum is 42.

The square root of 255757641 is about 15992.4244878630. The cubic root of 255757641 is about 634.7599820360.

The spelling of 255757641 in words is "two hundred fifty-five million, seven hundred fifty-seven thousand, six hundred forty-one".