256514030 has 16 divisors (see below), whose sum is σ = 463361904. Its totient is φ = 102241920.

The previous prime is 256514029. The next prime is 256514051. The reversal of 256514030 is 30415652.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 42491 + ... + 48150.

It is an arithmetic number, because the mean of its divisors is an integer number (28960119).

Almost surely, 2^256514030 is an apocalyptic number.

256514030 is a deficient number, since it is larger than the sum of its proper divisors (206847874).

256514030 is a wasteful number, since it uses less digits than its factorization.

256514030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90931.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 256514030 is about 16016.0553820221. The cubic root of 256514030 is about 635.3851219504.

Adding to 256514030 its reverse (30415652), we get a palindrome (286929682).

The spelling of 256514030 in words is "two hundred fifty-six million, five hundred fourteen thousand, thirty".