256507314 has 16 divisors (see below), whose sum is σ = 586302528. Its totient is φ = 73287792.

The previous prime is 256507313. The next prime is 256507337. The reversal of 256507314 is 413705652.

It is not an unprimeable number, because it can be changed into a prime (256507313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3053617 + ... + 3053700.

It is an arithmetic number, because the mean of its divisors is an integer number (36643908).

Almost surely, 2^256507314 is an apocalyptic number.

256507314 is an abundant number, since it is smaller than the sum of its proper divisors (329795214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256507314 is a wasteful number, since it uses less digits than its factorization.

256507314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107329.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 256507314 is about 16015.8457160401. The cubic root of 256507314 is about 635.3795767258.

The spelling of 256507314 in words is "two hundred fifty-six million, five hundred seven thousand, three hundred fourteen".