256252366 has 8 divisors (see below), whose sum is σ = 392556960. Its totient is φ = 125400048.

The previous prime is 256252363. The next prime is 256252391. The reversal of 256252366 is 663252652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256252363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1362951 + ... + 1363138.

It is an arithmetic number, because the mean of its divisors is an integer number (49069620).

Almost surely, 2^256252366 is an apocalyptic number.

256252366 is a deficient number, since it is larger than the sum of its proper divisors (136304594).

256252366 is a wasteful number, since it uses less digits than its factorization.

256252366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726138.

The product of its digits is 129600, while the sum is 37.

The square root of 256252366 is about 16007.8844948357. The cubic root of 256252366 is about 635.1690012488.

The spelling of 256252366 in words is "two hundred fifty-six million, two hundred fifty-two thousand, three hundred sixty-six".