36688513 has 2 divisors, whose sum is σ = 36688514. Its totient is φ = 36688512.

The previous prime is 36688489. The next prime is 36688541. The reversal of 36688513 is 31588663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25877569 + 10810944 = 5087^2 + 3288^2 .

It is a cyclic number.

It is not a de Polignac number, because 36688513 - 2¹³ = 36680321 is a prime.

It is not a weakly prime, because it can be changed into another prime (36688543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18344256 + 18344257.

It is an arithmetic number, because the mean of its divisors is an integer number (18344257).

Almost surely, 2^36688513 is an apocalyptic number.

It is an amenable number.

36688513 is a deficient number, since it is larger than the sum of its proper divisors (1).

36688513 is an equidigital number, since it uses as much as digits as its factorization.

36688513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 36688513 is about 6057.1043411848. The cubic root of 36688513 is about 332.2844643052.

The spelling of 36688513 in words is "thirty-six million, six hundred eighty-eight thousand, five hundred thirteen".