32256512 has 30 divisors (see below), whose sum is σ = 64707819. Its totient is φ = 16064000.

The previous prime is 32256503. The next prime is 32256529. The reversal of 32256512 is 21565223.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 16128256 + 16128256 = 4016^2 + 4016^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4016.

It is a super-2 number, since 2×32256512² = 2080965132812288, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 128387 + ... + 128637.

Almost surely, 2^32256512 is an apocalyptic number.

32256512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32256512

32256512 is an abundant number, since it is smaller than the sum of its proper divisors (32451307).

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

32256512 is an frugal number, since it uses more digits than its factorization.

32256512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 253 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 32256512 is about 5679.4816664903. The cubic root of 32256512 is about 318.3262608798.

It can be divided in two parts, 32256 and 512, that added together give a 15-th power (32768 = 2¹⁵).

The spelling of 32256512 in words is "thirty-two million, two hundred fifty-six thousand, five hundred twelve".