245775966 has 32 divisors (see below), whose sum is σ = 500214528. Its totient is φ = 80488320.

The previous prime is 245775949. The next prime is 245775973. The reversal of 245775966 is 669577542.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237871 + ... + 238901.

It is an arithmetic number, because the mean of its divisors is an integer number (15631704).

Almost surely, 2^245775966 is an apocalyptic number.

245775966 is an abundant number, since it is smaller than the sum of its proper divisors (254438562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245775966 is a wasteful number, since it uses less digits than its factorization.

245775966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696.

The product of its digits is 3175200, while the sum is 51.

The square root of 245775966 is about 15677.2435714956. The cubic root of 245775966 is about 626.3923866980.

The spelling of 245775966 in words is "two hundred forty-five million, seven hundred seventy-five thousand, nine hundred sixty-six".