256632063 has 8 divisors (see below), whose sum is σ = 347785776. Its totient is φ = 168283200.

The previous prime is 256632001. The next prime is 256632071. The reversal of 256632063 is 360236652.

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

It is not a de Polignac number, because 256632063 - 2⁸ = 256631807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256632083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700998 + ... + 701363.

It is an arithmetic number, because the mean of its divisors is an integer number (43473222).

Almost surely, 2^256632063 is an apocalyptic number.

256632063 is a deficient number, since it is larger than the sum of its proper divisors (91153713).

256632063 is a wasteful number, since it uses less digits than its factorization.

256632063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402425.

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 256632063 is about 16019.7397918942. The cubic root of 256632063 is about 635.4825629000.

The spelling of 256632063 in words is "two hundred fifty-six million, six hundred thirty-two thousand, sixty-three".