255603601 has 8 divisors (see below), whose sum is σ = 279220608. Its totient is φ = 232050000.

The previous prime is 255603571. The next prime is 255603613. The reversal of 255603601 is 106306552.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255603601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255603601.

It is not an unprimeable number, because it can be changed into a prime (255603641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7210 + ... + 23731.

It is an arithmetic number, because the mean of its divisors is an integer number (34902576).

Almost surely, 2^255603601 is an apocalyptic number.

It is an amenable number.

255603601 is a deficient number, since it is larger than the sum of its proper divisors (23617007).

255603601 is a wasteful number, since it uses less digits than its factorization.

255603601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31703.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 255603601 is about 15987.6077322406. The cubic root of 255603601 is about 634.6325201361.

It can be divided in two parts, 25560 and 3601, that added together give a triangular number (29161 = T₂₄₁).

The spelling of 255603601 in words is "two hundred fifty-five million, six hundred three thousand, six hundred one".