255832647 has 16 divisors (see below), whose sum is σ = 391694592. Its totient is φ = 145494720.

The previous prime is 255832639. The next prime is 255832649. The reversal of 255832647 is 746238552.

It is not a de Polignac number, because 255832647 - 2³ = 255832639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255832599 and 255832608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255832649) 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, 24438 + ... + 33299.

It is an arithmetic number, because the mean of its divisors is an integer number (24480912).

Almost surely, 2^255832647 is an apocalyptic number.

255832647 is a deficient number, since it is larger than the sum of its proper divisors (135861945).

255832647 is a wasteful number, since it uses less digits than its factorization.

255832647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57958.

The product of its digits is 403200, while the sum is 42.

The square root of 255832647 is about 15994.7693637639. The cubic root of 255832647 is about 634.8220279551.

The spelling of 255832647 in words is "two hundred fifty-five million, eight hundred thirty-two thousand, six hundred forty-seven".