256603114 has 4 divisors (see below), whose sum is σ = 384904674. Its totient is φ = 128301556.

The previous prime is 256603093. The next prime is 256603129. The reversal of 256603114 is 411306652.

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

It can be written as a sum of positive squares in only one way, i.e., 247024089 + 9579025 = 15717^2 + 3095^2 .

It is a super-2 number, since 2×256603114² = 131690316228993992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64150777 + ... + 64150780.

Almost surely, 2^256603114 is an apocalyptic number.

256603114 is a deficient number, since it is larger than the sum of its proper divisors (128301560).

256603114 is a wasteful number, since it uses less digits than its factorization.

256603114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128301559.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 256603114 is about 16018.8362248947. The cubic root of 256603114 is about 635.4586671115.

Adding to 256603114 its reverse (411306652), we get a palindrome (667909766).

The spelling of 256603114 in words is "two hundred fifty-six million, six hundred three thousand, one hundred fourteen".