248514971 has 4 divisors (see below), whose sum is σ = 248548200. Its totient is φ = 248481744.

The previous prime is 248514947. The next prime is 248514979. The reversal of 248514971 is 179415842.

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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248514971 is a prime.

It is a super-2 number, since 2×248514971² = 123519381622261682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248514979) 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, 440 + ... + 22298.

It is an arithmetic number, because the mean of its divisors is an integer number (62137050).

Almost surely, 2^248514971 is an apocalyptic number.

248514971 is a deficient number, since it is larger than the sum of its proper divisors (33229).

248514971 is a wasteful number, since it uses less digits than its factorization.

248514971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33228.

The product of its digits is 80640, while the sum is 41.

The square root of 248514971 is about 15764.3576145684. The cubic root of 248514971 is about 628.7107007730.

The spelling of 248514971 in words is "two hundred forty-eight million, five hundred fourteen thousand, nine hundred seventy-one".