255065615 has 16 divisors (see below), whose sum is σ = 350105088. Its totient is φ = 174751776.

The previous prime is 255065609. The next prime is 255065639. The reversal of 255065615 is 516560552.

It is a cyclic number.

It is not a de Polignac number, because 255065615 - 2⁸ = 255065359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51644 + ... + 56366.

It is an arithmetic number, because the mean of its divisors is an integer number (21881568).

Almost surely, 2^255065615 is an apocalyptic number.

255065615 is a deficient number, since it is larger than the sum of its proper divisors (95039473).

255065615 is a wasteful number, since it uses less digits than its factorization.

255065615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6278.

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 255065615 is about 15970.7737758695. The cubic root of 255065615 is about 634.1869562121.

The spelling of 255065615 in words is "two hundred fifty-five million, sixty-five thousand, six hundred fifteen".