2256513276 has 12 divisors (see below), whose sum is σ = 5265197672. Its totient is φ = 752171088.

The previous prime is 2256513271. The next prime is 2256513307. The reversal of 2256513276 is 6723156522.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×2256513276³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256513271) by changing a digit.

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, 94021375 + ... + 94021398.

Almost surely, 2^2256513276 is an apocalyptic number.

It is an amenable number.

2256513276 is an abundant number, since it is smaller than the sum of its proper divisors (3008684396).

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

2256513276 is a wasteful number, since it uses less digits than its factorization.

2256513276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188042780 (or 188042778 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 2256513276 is about 47502.7712454758. The cubic root of 2256513276 is about 1311.6338946960.

Adding to 2256513276 its reverse (6723156522), we get a palindrome (8979669798).

The spelling of 2256513276 in words is "two billion, two hundred fifty-six million, five hundred thirteen thousand, two hundred seventy-six".