255365630 has 32 divisors (see below), whose sum is σ = 507100608. Its totient is φ = 91987200.

The previous prime is 255365611. The next prime is 255365639. The reversal of 255365630 is 36563552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255365639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18626 + ... + 29285.

It is an arithmetic number, because the mean of its divisors is an integer number (15846894).

Almost surely, 2^255365630 is an apocalyptic number.

255365630 is a deficient number, since it is larger than the sum of its proper divisors (251734978).

255365630 is a wasteful number, since it uses less digits than its factorization.

255365630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47972.

The product of its (nonzero) digits is 81000, while the sum is 35.

The square root of 255365630 is about 15980.1636412147. The cubic root of 255365630 is about 634.4355080078.

The spelling of 255365630 in words is "two hundred fifty-five million, three hundred sixty-five thousand, six hundred thirty".