27513049 has 2 divisors, whose sum is σ = 27513050. Its totient is φ = 27513048.

The previous prime is 27513029. The next prime is 27513097. The reversal of 27513049 is 94031572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16257024 + 11256025 = 4032^2 + 3355^2 .

It is a cyclic number.

It is not a de Polignac number, because 27513049 - 2¹⁵ = 27480281 is a prime.

It is a super-4 number, since 4×27513049⁴ (a number of 31 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27513049.

It is not a weakly prime, because it can be changed into another prime (27513019) 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, 13756524 + 13756525.

It is an arithmetic number, because the mean of its divisors is an integer number (13756525).

Almost surely, 2^27513049 is an apocalyptic number.

It is an amenable number.

27513049 is a deficient number, since it is larger than the sum of its proper divisors (1).

27513049 is an equidigital number, since it uses as much as digits as its factorization.

27513049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 27513049 is about 5245.2882666256. The cubic root of 27513049 is about 301.8882713168. Note that the first 3 decimals are identical.

The spelling of 27513049 in words is "twenty-seven million, five hundred thirteen thousand, forty-nine".