256033115 has 8 divisors (see below), whose sum is σ = 330873648. Its totient is φ = 189070560.

The previous prime is 256033109. The next prime is 256033121. The reversal of 256033115 is 511330652.

256033115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (256033109) and next prime (256033121).

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

It is not a de Polignac number, because 256033115 - 2¹² = 256029019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1969421 + ... + 1969550.

It is an arithmetic number, because the mean of its divisors is an integer number (41359206).

Almost surely, 2^256033115 is an apocalyptic number.

256033115 is a deficient number, since it is larger than the sum of its proper divisors (74840533).

256033115 is a wasteful number, since it uses less digits than its factorization.

256033115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938989.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 256033115 is about 16001.0348102865. The cubic root of 256033115 is about 634.9877981411.

Adding to 256033115 its reverse (511330652), we get a palindrome (767363767).

The spelling of 256033115 in words is "two hundred fifty-six million, thirty-three thousand, one hundred fifteen".