27552601 has 2 divisors, whose sum is σ = 27552602. Its totient is φ = 27552600.

The previous prime is 27552599. The next prime is 27552619. The reversal of 27552601 is 10625572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26512201 + 1040400 = 5149^2 + 1020^2 .

It is a cyclic number.

It is not a de Polignac number, because 27552601 - 2¹ = 27552599 is a prime.

Together with 27552599, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 27552601.

It is not a weakly prime, because it can be changed into another prime (27552661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13776300 + 13776301.

It is an arithmetic number, because the mean of its divisors is an integer number (13776301).

Almost surely, 2^27552601 is an apocalyptic number.

It is an amenable number.

27552601 is a deficient number, since it is larger than the sum of its proper divisors (1).

27552601 is an equidigital number, since it uses as much as digits as its factorization.

27552601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 27552601 is about 5249.0571534324. The cubic root of 27552601 is about 302.0328641340.

It can be divided in two parts, 2755 and 2601, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 27552601 in words is "twenty-seven million, five hundred fifty-two thousand, six hundred one".