248530 has 16 divisors (see below), whose sum is σ = 463320. Its totient is φ = 95872.

The previous prime is 248509. The next prime is 248533. The reversal of 248530 is 35842.

It can be written as a sum of positive squares in 4 ways, for example, as 239121 + 9409 = 489^2 + 97^2 .

It is a d-powerful number, because it can be written as 2¹⁷ + 4 + 5⁷ + 8⁵ + 3⁸ + 0 .

It is not an unprimeable number, because it can be changed into a prime (248533) by changing a digit.

248530 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139 + ... + 718.

248530 is a Friedman number, since it can be written as (8+4)^5-302, using all its digits and the basic arithmetic operations.

2²⁴⁸⁵³⁰ is an apocalyptic number.

248530 is a deficient number, since it is larger than the sum of its proper divisors (214790).

248530 is a wasteful number, since it uses less digits than its factorization.

248530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 248530 is about 498.5278327235. The cubic root of 248530 is about 62.8723374326.

The spelling of 248530 in words is "two hundred forty-eight thousand, five hundred thirty".