256532606 has 8 divisors (see below), whose sum is σ = 419780664. Its totient is φ = 116605720.

The previous prime is 256532603. The next prime is 256532611. The reversal of 256532606 is 606235652.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256532603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5830265 + ... + 5830308.

It is an arithmetic number, because the mean of its divisors is an integer number (52472583).

Almost surely, 2^256532606 is an apocalyptic number.

256532606 is a deficient number, since it is larger than the sum of its proper divisors (163248058).

256532606 is a wasteful number, since it uses less digits than its factorization.

256532606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11660586.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 256532606 is about 16016.6352895981. The cubic root of 256532606 is about 635.4004591610.

The spelling of 256532606 in words is "two hundred fifty-six million, five hundred thirty-two thousand, six hundred six".