5256642 has 8 divisors (see below), whose sum is σ = 10513296. Its totient is φ = 1752212.

The previous prime is 5256623. The next prime is 5256649. The reversal of 5256642 is 2466525.

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

5256642 is an admirable number.

It is a d-powerful number, because it can be written as 5⁸ + 2¹¹ + 5⁸ + 6⁸ + 6⁸ + 4⁸ + 2²⁰ .

It is not an unprimeable number, because it can be changed into a prime (5256649) 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, 438048 + ... + 438059.

It is an arithmetic number, because the mean of its divisors is an integer number (1314162).

Almost surely, 2^5256642 is an apocalyptic number.

5256642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5256642 is a wasteful number, since it uses less digits than its factorization.

5256642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876112.

The product of its digits is 14400, while the sum is 30.

The square root of 5256642 is about 2292.7367925691. The cubic root of 5256642 is about 173.8745958614.

The spelling of 5256642 in words is "five million, two hundred fifty-six thousand, six hundred forty-two".