248957 has 4 divisors (see below), whose sum is σ = 262080. Its totient is φ = 235836.

The previous prime is 248909. The next prime is 248971. The reversal of 248957 is 759842.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 248957 - 2⁶ = 248893 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 4⁷ + 9⁴ + 8 + 5⁷ + 7⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248987) 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, 6533 + ... + 6570.

It is an arithmetic number, because the mean of its divisors is an integer number (65520).

2²⁴⁸⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

248957 is a deficient number, since it is larger than the sum of its proper divisors (13123).

248957 is a wasteful number, since it uses less digits than its factorization.

248957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13122.

The product of its digits is 20160, while the sum is 35.

The square root of 248957 is about 498.9559098758. The cubic root of 248957 is about 62.9083238698.

The spelling of 248957 in words is "two hundred forty-eight thousand, nine hundred fifty-seven".