27354629 has 2 divisors, whose sum is σ = 27354630. Its totient is φ = 27354628.

The previous prime is 27354599. The next prime is 27354631. The reversal of 27354629 is 92645372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27196225 + 158404 = 5215^2 + 398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27354629 is a prime.

Together with 27354631, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27354592 and 27354601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27354029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13677314 + 13677315.

It is an arithmetic number, because the mean of its divisors is an integer number (13677315).

Almost surely, 2^27354629 is an apocalyptic number.

It is an amenable number.

27354629 is a deficient number, since it is larger than the sum of its proper divisors (1).

27354629 is an equidigital number, since it uses as much as digits as its factorization.

27354629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 27354629 is about 5230.1652937551. The cubic root of 27354629 is about 301.3077319151.

The spelling of 27354629 in words is "twenty-seven million, three hundred fifty-four thousand, six hundred twenty-nine".