36731257 has 2 divisors, whose sum is σ = 36731258. Its totient is φ = 36731256.

The previous prime is 36731251. The next prime is 36731263. The reversal of 36731257 is 75213763.

36731257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (36731251) and next prime (36731263).

It can be written as a sum of positive squares in only one way, i.e., 31236921 + 5494336 = 5589^2 + 2344^2 .

It is a cyclic number.

It is not a de Polignac number, because 36731257 - 2¹⁹ = 36206969 is a prime.

It is not a weakly prime, because it can be changed into another prime (36731251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18365628 + 18365629.

It is an arithmetic number, because the mean of its divisors is an integer number (18365629).

Almost surely, 2^36731257 is an apocalyptic number.

It is an amenable number.

36731257 is a deficient number, since it is larger than the sum of its proper divisors (1).

36731257 is an equidigital number, since it uses as much as digits as its factorization.

36731257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 34.

The square root of 36731257 is about 6060.6317327487. The cubic root of 36731257 is about 332.4134570402.

The spelling of 36731257 in words is "thirty-six million, seven hundred thirty-one thousand, two hundred fifty-seven".