255256365 has 64 divisors (see below), whose sum is σ = 515031552. Its totient is φ = 105062400.

The previous prime is 255256349. The next prime is 255256433. The reversal of 255256365 is 563652552.

It is not a de Polignac number, because 255256365 - 2⁴ = 255256349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53685 + ... + 58245.

It is an arithmetic number, because the mean of its divisors is an integer number (8047368).

Almost surely, 2^255256365 is an apocalyptic number.

It is an amenable number.

255256365 is an abundant number, since it is smaller than the sum of its proper divisors (259775187).

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

255256365 is a wasteful number, since it uses less digits than its factorization.

255256365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630.

The product of its digits is 270000, while the sum is 39.

The square root of 255256365 is about 15976.7445056870. The cubic root of 255256365 is about 634.3450083777.

The spelling of 255256365 in words is "two hundred fifty-five million, two hundred fifty-six thousand, three hundred sixty-five".