248532517 has 4 divisors (see below), whose sum is σ = 248567116. Its totient is φ = 248497920.

The previous prime is 248532509. The next prime is 248532533. The reversal of 248532517 is 715235842.

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, and also an emirpimes, since its reverse is a distinct semiprime: 715235842 = 2 ⋅357617921.

It can be written as a sum of positive squares in 2 ways, for example, as 52504516 + 196028001 = 7246^2 + 14001^2 .

It is a cyclic number.

It is not a de Polignac number, because 248532517 - 2³ = 248532509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248532587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2034 + ... + 22387.

It is an arithmetic number, because the mean of its divisors is an integer number (62141779).

Almost surely, 2^248532517 is an apocalyptic number.

It is an amenable number.

248532517 is a deficient number, since it is larger than the sum of its proper divisors (34599).

248532517 is a wasteful number, since it uses less digits than its factorization.

248532517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34598.

The product of its digits is 67200, while the sum is 37.

The square root of 248532517 is about 15764.9141133087. The cubic root of 248532517 is about 628.7254967942.

The spelling of 248532517 in words is "two hundred forty-eight million, five hundred thirty-two thousand, five hundred seventeen".