27900953 has 2 divisors, whose sum is σ = 27900954. Its totient is φ = 27900952.

The previous prime is 27900889. The next prime is 27900959. The reversal of 27900953 is 35900972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24970009 + 2930944 = 4997^2 + 1712^2 .

It is a cyclic number.

It is not a de Polignac number, because 27900953 - 2⁶ = 27900889 is a prime.

It is not a weakly prime, because it can be changed into another prime (27900959) 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, 13950476 + 13950477.

It is an arithmetic number, because the mean of its divisors is an integer number (13950477).

Almost surely, 2^27900953 is an apocalyptic number.

It is an amenable number.

27900953 is a deficient number, since it is larger than the sum of its proper divisors (1).

27900953 is an equidigital number, since it uses as much as digits as its factorization.

27900953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 27900953 is about 5282.1352689987. The cubic root of 27900953 is about 303.3004205592.

The spelling of 27900953 in words is "twenty-seven million, nine hundred thousand, nine hundred fifty-three".