2256523064 has 8 divisors (see below), whose sum is σ = 4230980760. Its totient is φ = 1128261528.

The previous prime is 2256523051. The next prime is 2256523069. The reversal of 2256523064 is 4603256522.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256523069) 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 as a sum of consecutive naturals, namely, 141032684 + ... + 141032699.

It is an arithmetic number, because the mean of its divisors is an integer number (528872595).

Almost surely, 2^2256523064 is an apocalyptic number.

It is an amenable number.

2256523064 is a deficient number, since it is larger than the sum of its proper divisors (1974457696).

2256523064 is a wasteful number, since it uses less digits than its factorization.

2256523064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282065389 (or 282065385 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 2256523064 is about 47502.8742709323. The cubic root of 2256523064 is about 1311.6357911697.

Adding to 2256523064 its reverse (4603256522), we get a palindrome (6859779586).

The spelling of 2256523064 in words is "two billion, two hundred fifty-six million, five hundred twenty-three thousand, sixty-four".