248651 has 8 divisors (see below), whose sum is σ = 276864. Its totient is φ = 221760.

The previous prime is 248641. The next prime is 248657. The reversal of 248651 is 156842.

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

It is a cyclic number.

It is not a de Polignac number, because 248651 - 2⁶ = 248587 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 248651.

It is not an unprimeable number, because it can be changed into a prime (248657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95 + ... + 711.

It is an arithmetic number, because the mean of its divisors is an integer number (34608).

2²⁴⁸⁶⁵¹ is an apocalyptic number.

248651 is a deficient number, since it is larger than the sum of its proper divisors (28213).

248651 is a wasteful number, since it uses less digits than its factorization.

248651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661.

The product of its digits is 1920, while the sum is 26.

The square root of 248651 is about 498.6491752726. The cubic root of 248651 is about 62.8825391769.

Subtracting from 248651 its reverse (156842), we obtain a square (91809 = 303²).

The spelling of 248651 in words is "two hundred forty-eight thousand, six hundred fifty-one".