248271489 has 12 divisors (see below), whose sum is σ = 360197136. Its totient is φ = 164783832.

The previous prime is 248271473. The next prime is 248271521. The reversal of 248271489 is 984172842.

248271489 is a `hidden beast` number, since 24 + 82 + 71 + 489 = 666.

It is not a de Polignac number, because 248271489 - 2⁴ = 248271473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (248271409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58719 + ... + 62804.

It is an arithmetic number, because the mean of its divisors is an integer number (30016428).

Almost surely, 2^248271489 is an apocalyptic number.

It is an amenable number.

248271489 is a deficient number, since it is larger than the sum of its proper divisors (111925647).

248271489 is a wasteful number, since it uses less digits than its factorization.

248271489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121756 (or 121753 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 248271489 is about 15756.6331746347. The cubic root of 248271489 is about 628.5053077020.

The spelling of 248271489 in words is "two hundred forty-eight million, two hundred seventy-one thousand, four hundred eighty-nine".