245711066 has 4 divisors (see below), whose sum is σ = 368566602. Its totient is φ = 122855532.

The previous prime is 245711051. The next prime is 245711087. The reversal of 245711066 is 660117542.

245711066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 216237025 + 29474041 = 14705^2 + 5429^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 61427765 + ... + 61427768.

Almost surely, 2^245711066 is an apocalyptic number.

245711066 is a deficient number, since it is larger than the sum of its proper divisors (122855536).

245711066 is a wasteful number, since it uses less digits than its factorization.

245711066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122855535.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 245711066 is about 15675.1735556580. The cubic root of 245711066 is about 626.3372464479.

The spelling of 245711066 in words is "two hundred forty-five million, seven hundred eleven thousand, sixty-six".