27215093 has 2 divisors, whose sum is σ = 27215094. Its totient is φ = 27215092.

The previous prime is 27215077. The next prime is 27215101. The reversal of 27215093 is 39051272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21464689 + 5750404 = 4633^2 + 2398^2 .

It is a cyclic number.

It is not a de Polignac number, because 27215093 - 2⁴ = 27215077 is a prime.

It is a super-2 number, since 2×27215093² = 1481322573997298, which contains 22 as substring.

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, 13607546 + 13607547.

It is an arithmetic number, because the mean of its divisors is an integer number (13607547).

Almost surely, 2^27215093 is an apocalyptic number.

It is an amenable number.

27215093 is a deficient number, since it is larger than the sum of its proper divisors (1).

27215093 is an equidigital number, since it uses as much as digits as its factorization.

27215093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 27215093 is about 5216.8086988119. The cubic root of 27215093 is about 300.7945345989.

The spelling of 27215093 in words is "twenty-seven million, two hundred fifteen thousand, ninety-three".