4250435065 has 4 divisors (see below), whose sum is σ = 5100522084. Its totient is φ = 3400348048.

The previous prime is 4250435041. The next prime is 4250435113. The reversal of 4250435065 is 5605340524.

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 1126072249 + 3124362816 = 33557^2 + 55896^2 .

It is a cyclic number.

It is not a de Polignac number, because 4250435065 - 2²¹ = 4248337913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4250435065.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425043502 + ... + 425043511.

It is an arithmetic number, because the mean of its divisors is an integer number (1275130521).

Almost surely, 2^4250435065 is an apocalyptic number.

It is an amenable number.

4250435065 is a deficient number, since it is larger than the sum of its proper divisors (850087019).

4250435065 is an equidigital number, since it uses as much as digits as its factorization.

4250435065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850087018.

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 4250435065 is about 65195.3607628641. The cubic root of 4250435065 is about 1619.8611709767.

Adding to 4250435065 its reverse (5605340524), we get a palindrome (9855775589).

The spelling of 4250435065 in words is "four billion, two hundred fifty million, four hundred thirty-five thousand, sixty-five".