2256265345 has 8 divisors (see below), whose sum is σ = 2709873576. Its totient is φ = 1803442176.

The previous prime is 2256265331. The next prime is 2256265379. The reversal of 2256265345 is 5435626522.

It can be written as a sum of positive squares in 4 ways, for example, as 1075380849 + 1180884496 = 32793^2 + 34364^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2256265345 - 2¹⁹ = 2255741057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2256265298 and 2256265307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189922 + ... + 201451.

It is an arithmetic number, because the mean of its divisors is an integer number (338734197).

Almost surely, 2^2256265345 is an apocalyptic number.

It is an amenable number.

2256265345 is a deficient number, since it is larger than the sum of its proper divisors (453608231).

2256265345 is a wasteful number, since it uses less digits than its factorization.

2256265345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392531.

The product of its digits is 432000, while the sum is 40.

The square root of 2256265345 is about 47500.1615260412. The cubic root of 2256265345 is about 1311.5858550032.

The spelling of 2256265345 in words is "two billion, two hundred fifty-six million, two hundred sixty-five thousand, three hundred forty-five".