565264250 has 64 divisors (see below), whose sum is σ = 1133308800. Its totient is φ = 210470400.

The previous prime is 565264237. The next prime is 565264289. The reversal of 565264250 is 52462565.

It is a self number, because there is not a number n which added to its sum of digits gives 565264250.

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 31 ways as a sum of consecutive naturals, for example, 279242 + ... + 281258.

It is an arithmetic number, because the mean of its divisors is an integer number (17707950).

Almost surely, 2^565264250 is an apocalyptic number.

565264250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

565264250 is an abundant number, since it is smaller than the sum of its proper divisors (568044550).

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

565264250 is a wasteful number, since it uses less digits than its factorization.

565264250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112 (or 2102 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 565264250 is about 23775.2865387570. The cubic root of 565264250 is about 826.8318036020.

The spelling of 565264250 in words is "five hundred sixty-five million, two hundred sixty-four thousand, two hundred fifty".