248994171 has 12 divisors (see below), whose sum is σ = 359966880. Its totient is φ = 165853680.

The previous prime is 248994149. The next prime is 248994197. The reversal of 248994171 is 171499842.

It is a happy number.

It is not a de Polignac number, because 248994171 - 2¹⁷ = 248863099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (248994071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195 + ... + 22316.

It is an arithmetic number, because the mean of its divisors is an integer number (29997240).

Almost surely, 2^248994171 is an apocalyptic number.

248994171 is a deficient number, since it is larger than the sum of its proper divisors (110972709).

248994171 is a wasteful number, since it uses less digits than its factorization.

248994171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23746 (or 23743 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 248994171 is about 15779.5491380457. The cubic root of 248994171 is about 629.1145459643.

The spelling of 248994171 in words is "two hundred forty-eight million, nine hundred ninety-four thousand, one hundred seventy-one".