27725953 has 2 divisors, whose sum is σ = 27725954. Its totient is φ = 27725952.

The previous prime is 27725941. The next prime is 27725983. The reversal of 27725953 is 35952772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27279729 + 446224 = 5223^2 + 668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27725953 is a prime.

It is not a weakly prime, because it can be changed into another prime (27725983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13862976 + 13862977.

It is an arithmetic number, because the mean of its divisors is an integer number (13862977).

Almost surely, 2^27725953 is an apocalyptic number.

It is an amenable number.

27725953 is a deficient number, since it is larger than the sum of its proper divisors (1).

27725953 is an equidigital number, since it uses as much as digits as its factorization.

27725953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 132300, while the sum is 40.

The square root of 27725953 is about 5265.5439415126. The cubic root of 27725953 is about 302.6649711448.

The spelling of 27725953 in words is "twenty-seven million, seven hundred twenty-five thousand, nine hundred fifty-three".