256152206 has 4 divisors (see below), whose sum is σ = 384228312. Its totient is φ = 128076102.

The previous prime is 256152199. The next prime is 256152223. The reversal of 256152206 is 602251652.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×256152206² = 131227905277332872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64038050 + ... + 64038053.

It is an arithmetic number, because the mean of its divisors is an integer number (96057078).

Almost surely, 2^256152206 is an apocalyptic number.

256152206 is a deficient number, since it is larger than the sum of its proper divisors (128076106).

256152206 is a wasteful number, since it uses less digits than its factorization.

256152206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128076105.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 256152206 is about 16004.7557307195. The cubic root of 256152206 is about 635.0862354209.

The spelling of 256152206 in words is "two hundred fifty-six million, one hundred fifty-two thousand, two hundred six".