256200603 has 4 divisors (see below), whose sum is σ = 341600808. Its totient is φ = 170800400.

The previous prime is 256200601. The next prime is 256200653. The reversal of 256200603 is 306002652.

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

It is a cyclic number.

It is not a de Polignac number, because 256200603 - 2¹ = 256200601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256200601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42700098 + ... + 42700103.

It is an arithmetic number, because the mean of its divisors is an integer number (85400202).

Almost surely, 2^256200603 is an apocalyptic number.

256200603 is a deficient number, since it is larger than the sum of its proper divisors (85400205).

256200603 is an equidigital number, since it uses as much as digits as its factorization.

256200603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85400204.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 256200603 is about 16006.2676161559. The cubic root of 256200603 is about 635.1262303045.

The spelling of 256200603 in words is "two hundred fifty-six million, two hundred thousand, six hundred three".