256064532 has 24 divisors (see below), whose sum is σ = 600617472. Its totient is φ = 84907200.

The previous prime is 256064513. The next prime is 256064551. The reversal of 256064532 is 235460652.

It is an interprime number because it is at equal distance from previous prime (256064513) and next prime (256064551).

It is a junction number, because it is equal to n+sod(n) for n = 256064493 and 256064502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53569 + ... + 58152.

It is an arithmetic number, because the mean of its divisors is an integer number (25025728).

Almost surely, 2^256064532 is an apocalyptic number.

It is an amenable number.

256064532 is an abundant number, since it is smaller than the sum of its proper divisors (344552940).

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

256064532 is a wasteful number, since it uses less digits than its factorization.

256064532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111919 (or 111917 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 256064532 is about 16002.0164979293. The cubic root of 256064532 is about 635.0137695156.

The spelling of 256064532 in words is "two hundred fifty-six million, sixty-four thousand, five hundred thirty-two".