248971066 has 4 divisors (see below), whose sum is σ = 373456602. Its totient is φ = 124485532.

The previous prime is 248971049. The next prime is 248971097. The reversal of 248971066 is 660179842.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 167159041 + 81812025 = 12929^2 + 9045^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62242765 + ... + 62242768.

Almost surely, 2^248971066 is an apocalyptic number.

248971066 is a deficient number, since it is larger than the sum of its proper divisors (124485536).

248971066 is a wasteful number, since it uses less digits than its factorization.

248971066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124485535.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 248971066 is about 15778.8170025512. The cubic root of 248971066 is about 629.0950861497.

The spelling of 248971066 in words is "two hundred forty-eight million, nine hundred seventy-one thousand, sixty-six".