27313537 has 2 divisors, whose sum is σ = 27313538. Its totient is φ = 27313536.

The previous prime is 27313501. The next prime is 27313549. The reversal of 27313537 is 73531372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23775376 + 3538161 = 4876^2 + 1881^2 .

It is a cyclic number.

It is not a de Polignac number, because 27313537 - 2⁷ = 27313409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27313499 and 27313508.

It is not a weakly prime, because it can be changed into another prime (27313567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13656768 + 13656769.

It is an arithmetic number, because the mean of its divisors is an integer number (13656769).

Almost surely, 2^27313537 is an apocalyptic number.

It is an amenable number.

27313537 is a deficient number, since it is larger than the sum of its proper divisors (1).

27313537 is an equidigital number, since it uses as much as digits as its factorization.

27313537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13230, while the sum is 31.

The square root of 27313537 is about 5226.2354520247. The cubic root of 27313537 is about 301.1567819336.

The spelling of 27313537 in words is "twenty-seven million, three hundred thirteen thousand, five hundred thirty-seven".