27501701 has 2 divisors, whose sum is σ = 27501702. Its totient is φ = 27501700.

The previous prime is 27501697. The next prime is 27501703. The reversal of 27501701 is 10710572.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23049601 + 4452100 = 4801^2 + 2110^2 .

It is a cyclic number.

It is not a de Polignac number, because 27501701 - 2² = 27501697 is a prime.

Together with 27501703, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27501703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13750850 + 13750851.

It is an arithmetic number, because the mean of its divisors is an integer number (13750851).

Almost surely, 2^27501701 is an apocalyptic number.

It is an amenable number.

27501701 is a deficient number, since it is larger than the sum of its proper divisors (1).

27501701 is an equidigital number, since it uses as much as digits as its factorization.

27501701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 27501701 is about 5244.2064223293. The cubic root of 27501701 is about 301.8467601146.

The spelling of 27501701 in words is "twenty-seven million, five hundred one thousand, seven hundred one".