8255642 has 8 divisors (see below), whose sum is σ = 13111956. Its totient is φ = 3884992.

The previous prime is 8255629. The next prime is 8255647. The reversal of 8255642 is 2465528.

It can be written as a sum of positive squares in 2 ways, for example, as 8014561 + 241081 = 2831^2 + 491^2 .

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

It is a d-powerful number, because it can be written as 8⁷ + 2⁵ + 5⁵ + 5⁹ + 6⁵ + 4¹¹ + 2⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 8255599 and 8255608.

It is not an unprimeable number, because it can be changed into a prime (8255647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121373 + ... + 121440.

Almost surely, 2^8255642 is an apocalyptic number.

8255642 is a deficient number, since it is larger than the sum of its proper divisors (4856314).

8255642 is a wasteful number, since it uses less digits than its factorization.

8255642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242832.

The product of its digits is 19200, while the sum is 32.

The square root of 8255642 is about 2873.2633015441. The cubic root of 8255642 is about 202.1080525069.

The spelling of 8255642 in words is "eight million, two hundred fifty-five thousand, six hundred forty-two".