255613746 has 8 divisors (see below), whose sum is σ = 511227504. Its totient is φ = 85204580.

The previous prime is 255613739. The next prime is 255613747. The reversal of 255613746 is 647316552.

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

255613746 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (255613747) 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, 21301140 + ... + 21301151.

It is an arithmetic number, because the mean of its divisors is an integer number (63903438).

Almost surely, 2^255613746 is an apocalyptic number.

255613746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

255613746 is a wasteful number, since it uses less digits than its factorization.

255613746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42602296.

The product of its digits is 151200, while the sum is 39.

The square root of 255613746 is about 15987.9250060788. The cubic root of 255613746 is about 634.6409162903.

The spelling of 255613746 in words is "two hundred fifty-five million, six hundred thirteen thousand, seven hundred forty-six".