27483997 has 2 divisors, whose sum is σ = 27483998. Its totient is φ = 27483996.

The previous prime is 27483983. The next prime is 27484031. The reversal of 27483997 is 79938472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27154521 + 329476 = 5211^2 + 574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27483997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27483997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27483397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13741998 + 13741999.

It is an arithmetic number, because the mean of its divisors is an integer number (13741999).

Almost surely, 2^27483997 is an apocalyptic number.

It is an amenable number.

27483997 is a deficient number, since it is larger than the sum of its proper divisors (1).

27483997 is an equidigital number, since it uses as much as digits as its factorization.

27483997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 49.

The square root of 27483997 is about 5242.5181926246. The cubic root of 27483997 is about 301.7819757322.

The spelling of 27483997 in words is "twenty-seven million, four hundred eighty-three thousand, nine hundred ninety-seven".