4265256605 has 8 divisors (see below), whose sum is σ = 5125038264. Its totient is φ = 3407718400.

The previous prime is 4265256601. The next prime is 4265256617. The reversal of 4265256605 is 5066525624.

It can be written as a sum of positive squares in 4 ways, for example, as 39866596 + 4225390009 = 6314^2 + 65003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4265256605 - 2² = 4265256601 is a prime.

It is a super-2 number, since 2×4265256605² = 36384827812992252050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4265256601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556676 + ... + 564285.

It is an arithmetic number, because the mean of its divisors is an integer number (640629783).

Almost surely, 2^4265256605 is an apocalyptic number.

It is an amenable number.

4265256605 is a deficient number, since it is larger than the sum of its proper divisors (859781659).

4265256605 is a wasteful number, since it uses less digits than its factorization.

4265256605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121727.

The product of its (nonzero) digits is 432000, while the sum is 41.

The square root of 4265256605 is about 65308.9320460839. The cubic root of 4265256605 is about 1621.7418399690.

The spelling of 4265256605 in words is "four billion, two hundred sixty-five million, two hundred fifty-six thousand, six hundred five".