4257864265 has 4 divisors (see below), whose sum is σ = 5109437124. Its totient is φ = 3406291408.

The previous prime is 4257864209. The next prime is 4257864283. The reversal of 4257864265 is 5624687524.

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

It can be written as a sum of positive squares in 2 ways, for example, as 524776464 + 3733087801 = 22908^2 + 61099^2 .

It is a cyclic number.

It is not a de Polignac number, because 4257864265 - 2¹³ = 4257856073 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425786422 + ... + 425786431.

It is an arithmetic number, because the mean of its divisors is an integer number (1277359281).

Almost surely, 2^4257864265 is an apocalyptic number.

It is an amenable number.

4257864265 is a deficient number, since it is larger than the sum of its proper divisors (851572859).

4257864265 is an equidigital number, since it uses as much as digits as its factorization.

4257864265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851572858.

The product of its digits is 3225600, while the sum is 49.

The square root of 4257864265 is about 65252.3123345066. The cubic root of 4257864265 is about 1620.8043895561.

The spelling of 4257864265 in words is "four billion, two hundred fifty-seven million, eight hundred sixty-four thousand, two hundred sixty-five".