27215063 has 2 divisors, whose sum is σ = 27215064. Its totient is φ = 27215062.

The previous prime is 27215059. The next prime is 27215077. The reversal of 27215063 is 36051272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27215063 - 2² = 27215059 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27215053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13607531 + 13607532.

It is an arithmetic number, because the mean of its divisors is an integer number (13607532).

Almost surely, 2^27215063 is an apocalyptic number.

27215063 is the 2789-th centered heptagonal number.

27215063 is a deficient number, since it is larger than the sum of its proper divisors (1).

27215063 is an equidigital number, since it uses as much as digits as its factorization.

27215063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 27215063 is about 5216.8058234901. The cubic root of 27215063 is about 300.7944240740.

The spelling of 27215063 in words is "twenty-seven million, two hundred fifteen thousand, sixty-three".