248031001 has 3 divisors (see below), whose sum is σ = 248046751. Its totient is φ = 248015252.

The previous prime is 248030983. The next prime is 248031041. The reversal of 248031001 is 100130842.

The square root of 248031001 is 15749.

It is a perfect power (a square), and thus also a powerful number.

248031001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 5294601 + 242736400 = 2301^2 + 15580^2 .

It is not a de Polignac number, because 248031001 - 2¹⁷ = 247899929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 248031001.

It is not an unprimeable number, because it can be changed into a prime (248031041) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7875 + ... + 23623.

Almost surely, 2^248031001 is an apocalyptic number.

248031001 is the 15749-th square number.

248031001 is the 7875-th centered octagonal number.

It is an amenable number.

248031001 is a deficient number, since it is larger than the sum of its proper divisors (15750).

248031001 is an frugal number, since it uses more digits than its factorization.

248031001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31498 (or 15749 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The cubic root of 248031001 is about 628.3023084041.

Adding to 248031001 its reverse (100130842), we get a palindrome (348161843).

The spelling of 248031001 in words is "two hundred forty-eight million, thirty-one thousand, one".