10255642 has 8 divisors (see below), whose sum is σ = 15434496. Its totient is φ = 5110812.

The previous prime is 10255621. The next prime is 10255669. The reversal of 10255642 is 24655201.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7738 + ... + 8965.

It is an arithmetic number, because the mean of its divisors is an integer number (1929312).

Almost surely, 2^10255642 is an apocalyptic number.

10255642 is a deficient number, since it is larger than the sum of its proper divisors (5178854).

10255642 is a wasteful number, since it uses less digits than its factorization.

10255642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17012.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 10255642 is about 3202.4431298619. The cubic root of 10255642 is about 217.2639231804.

The spelling of 10255642 in words is "ten million, two hundred fifty-five thousand, six hundred forty-two".