256036047 has 8 divisors (see below), whose sum is σ = 341469744. Its totient is φ = 170646528.

The previous prime is 256036013. The next prime is 256036049. The reversal of 256036047 is 740630652.

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

It is not a de Polignac number, because 256036047 - 2¹⁰ = 256035023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256035999 and 256036017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256036049) 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, 6433 + ... + 23525.

It is an arithmetic number, because the mean of its divisors is an integer number (42683718).

Almost surely, 2^256036047 is an apocalyptic number.

256036047 is a deficient number, since it is larger than the sum of its proper divisors (85433697).

256036047 is a wasteful number, since it uses less digits than its factorization.

256036047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22089.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 256036047 is about 16001.1264290987. The cubic root of 256036047 is about 634.9902220165.

Adding to 256036047 its reverse (740630652), we get a palindrome (996666699).

The spelling of 256036047 in words is "two hundred fifty-six million, thirty-six thousand, forty-seven".