27021053 has 2 divisors, whose sum is σ = 27021054. Its totient is φ = 27021052.

The previous prime is 27021047. The next prime is 27021061. The reversal of 27021053 is 35012072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27019204 + 1849 = 5198^2 + 43^2 .

It is a cyclic number.

It is not a de Polignac number, because 27021053 - 2⁴ = 27021037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27021083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13510526 + 13510527.

It is an arithmetic number, because the mean of its divisors is an integer number (13510527).

Almost surely, 2^27021053 is an apocalyptic number.

It is an amenable number.

27021053 is a deficient number, since it is larger than the sum of its proper divisors (1).

27021053 is an equidigital number, since it uses as much as digits as its factorization.

27021053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 27021053 is about 5198.1778538253. The cubic root of 27021053 is about 300.0779538163.

The spelling of 27021053 in words is "twenty-seven million, twenty-one thousand, fifty-three".