255264616 has 8 divisors (see below), whose sum is σ = 478621170. Its totient is φ = 127632304.

The previous prime is 255264587. The next prime is 255264619. The reversal of 255264616 is 616462552.

It can be written as a sum of positive squares in only one way, i.e., 251856900 + 3407716 = 15870^2 + 1846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (255264619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15954031 + ... + 15954046.

Almost surely, 2^255264616 is an apocalyptic number.

It is an amenable number.

255264616 is a deficient number, since it is larger than the sum of its proper divisors (223356554).

255264616 is a wasteful number, since it uses less digits than its factorization.

255264616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31908083 (or 31908079 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 255264616 is about 15977.0027226636. The cubic root of 255264616 is about 634.3518432373.

The spelling of 255264616 in words is "two hundred fifty-five million, two hundred sixty-four thousand, six hundred sixteen".